Cleanup listing for WikiProject Chemistry as of September 19, 2017.

Of the 8983 articles in this project 2864 or 32% are marked for cleanup, with 5003 issues in total.

Listings: Alphabetic By category CSV History

... represents the current issue name. Issue names are abbreviated category names.

Contents

Changes since last update

New articles (20)

ArticleImportanceClass Issues
18-electron rule Mid B Citation has redundant parameters
Amino acid Mid GA Page number citations needed (September 2010), Dead external links (July 2017), Clarification needed (August 2017)
COLEX process Unknown Unassessed Uncategorized (September 2017)
Conditioner (chemistry) Low Stub Sources lacking (December 2009)
Dynamic hydrogen electrode Low Stub Dead external links (September 2017)
Electron affinity (data page) Low List Citation has redundant parameters
Graphene chemistry Low C Expert attention needed (December 2013), Too technical (December 2013)
Henry Moseley High C Unsourced statements (September 2017)
History of graphene Low C Unsourced statements (September 2010), Dead external links (April 2016), Introduction cleanup (September 2017)
Iodane Mid C Merge needed (September 2017)
Irwin Fridovich Low Start Citation has redundant parameters
Micromeritics Low Start Unsourced statements (September 2017)
Organogold chemistry Mid C Unsourced statements (September 2017)
Periodinane Mid C Merge needed (September 2017)
Philip Coppens (chemist) Low Stub Citation has redundant parameters
Plastic colorant Low Start Unsourced statements (September 2017)
Proteinoid Low Start References needed (December 2009), Citation lacking title, Unsourced statements (March 2014, September 2017)
Roald Hoffmann High C Dead external links (September 2017)
Super-oxidized solution Low Start Orphaned (September 2017)
Thermonuclear weapon Mid C Expansion needed (September 2009), References needed (August 2013, December 2015), In-text citations lacking (August 2013), Reliable references lacking (October 2014, December 2016), Unsourced statements (January 2016, September 2017), Clarification needed (June 2017)

Resolved articles (10)

ArticleImportanceClass Issues
Gunmetal LowStartArticles with unsourced statements (April 2008)
Johnson Matthey LowCPages using citations with accessdate and no URL
Monsanto process MidStartArticles with dead external links (September 2015)
Møller–Plesset perturbation theory MidCCS1 errors: chapter ignored
Phthalocyanine Green G LowStartArticles with unsourced statements (June 2017)
Precursor (chemistry) LowStubArticles with unsourced statements (September 2016), Articles with specifically marked weasel-worded phrases (September 2016)
QM/MM MidStubPages with reference errors
Square antiprismatic molecular geometry MidStubArticles lacking sources (May 2012)
Thioester LowStartCS1 errors: missing author or editor
Triethyltin LowStubArticles with improper non-free content (September 2017)

Clarity

Clarification needed (184)

ArticleImportanceClassCount OldestIssues
7075 aluminium alloy Low Stub1 April 2015... (April 2015)
Acidic oxide High Stub2 March 2015... (March 2015), Merge needed (June 2017)
Activated carbon Mid C7 April 2009Unsourced statements (April 2009, May 2009, June 2017, July 2017), Web citation with no URL, Citation with accessdate and no URL, ... (June 2014)
Akabori amino-acid reaction Low Start1 June 2017... (June 2017)
Alkalinity Low C3 February 2015References needed (May 2015), Disputed statements (February 2015), ... (February 2015)
Alkane Top B8 April 2007Unsourced statements (April 2007, December 2016), References needed (July 2015, August 2014, July 2014), Expansion needed (August 2014, September 2017), ... (December 2016)
Alkylation Mid Start1 January 2016... (January 2016)
Aluminium amalgam Low Start1 August 2017... (August 2017)
Amino acid Mid GA3 September 2010Page number citations needed (September 2010), Dead external links (July 2017), ... (August 2017)
Amorphous metal Low Start5 March 2011References needed (April 2012), Unsourced statements (January 2012, March 2011, May 2012), ... (April 2012)
Asphalt Low C4 April 2011Unsourced statements (April 2011, January 2016), Update needed (June 2014), ... (June 2017)
Atmospheric methane Low C1 February 2016... (February 2016)
Atomic orbital Mid B2 November 2011Unsourced statements (January 2013), ... (November 2011)
Autoxidation Mid Start1 May 2016... (May 2016)
Avoided crossing Low C1 January 2017... (January 2017)
Ayhan Ulubelen Low Start7 May 2012Detailed references needed, Unsourced statements (July 2013), BLP articles lacking sources (May 2012), ... (May 2012, July 2013), Vague or ambiguous time (July 2013), Dead external links (October 2016)
Bifluoride Low Start3 April 2012Unsourced statements (April 2012, November 2016), ... (November 2016)
Bound state Low Start3 February 2015... (February 2015), Unsourced statements (November 2016), Disputed statements (November 2016)
Bufagin Low Start2 March 2014Unsourced statements (March 2014), ... (March 2014)
C. Ainsworth Mitchell Low Start2 July 2016... (July 2016), Reliable references lacking (October 2016)
Cahn–Ingold–Prelog priority rules Mid Start6 February 2016Unsourced statements (February 2016), References needed (February 2016), Cleanup needed (February 2016, March 2017), ... (February 2016), Weasel-worded phrases (February 2016)
Carbene High C1 March 2017... (March 2017)
Carbon sequestration Mid C10 January 2009Unsourced statements (January 2009, August 2009, September 2010, January 2011, March 2015), Reliable references lacking (August 2015), Dead external links (June 2016, November 2016, January 2017), ... (January 2017)
Cement Low B1 October 2015... (October 2015)
Chemical biology Low C2 November 2011Unsourced statements (November 2011), ... (November 2011)
Chemical ecology Low Stub8 March 2017Detailed references needed, Expert attention needed (March 2017), Unsourced statements (March 2017), Weasel-worded phrases (March 2017), Self-contradictory articles (March 2017), ... (March 2017), Reliable references lacking (March 2017)
Chemical formula High Start1 November 2012... (November 2012)
Chemical property Mid Stub1 August 2012... (August 2012)
Chemoselectivity High Start1 October 2014... (October 2014)
Chlorine bomb Low Start1 December 2011... (December 2011)
Chlorofluorocarbon High B4 April 2010Unsourced statements (March 2011), Disputed statements (April 2010), ... (June 2013), References needed (February 2015)
Chlorographene Low Start3 November 2012Introduction cleanup (November 2012), Context needed (November 2012), ... (May 2015)
Chromium hydride Low Start2 January 2016Unsourced statements (January 2016), ... (January 2016)
Click chemistry Low C2 May 2012... (May 2012), Weasel-worded phrases (August 2017)
Coal gas Low C3 October 2007References needed (June 2009), Expansion needed (October 2007), ... (February 2014)
Colloid High B4 July 2009Unsourced statements (July 2009, June 2014), References needed (June 2014), ... (February 2017)
Colored gold Mid C2 May 2011Unsourced statements (May 2011), ... (June 2017)
Conformational isomerism Mid Start2 July 2014... (July 2014), Disputed statements (July 2014)
Cryochemistry Mid Start4 November 2015Unsourced statements (November 2015), In-text citations lacking (November 2015), ... (November 2015), Vague or ambiguous time (November 2015)
Curtin–Hammett principle Mid C1 October 2011... (October 2011)
Cyclic compound High Start13 April 2015Expert attention needed (April 2015), Reliable references lacking (April 2015), Expansion needed (June 2015, April 2015), References needed (April 2015, June 2015), Unsourced statements (April 2015, June 2015), ... (April 2015), Page number citations needed (April 2015, June 2015), Factual verification needed (April 2015)
Cyclohexane conformation Mid C10 January 2008References needed (January 2008, May 2014), Unsourced statements (January 2008, May 2014, August 2011), ... (May 2014), Reliable references lacking (May 2014), Cleanup needed (May 2014, May 2014), Rewrite needed (May 2014)
Depsipeptide Low Stub3 June 2014Unsourced statements (June 2014), References needed (June 2014), ... (June 2014)
Detailed balance Mid B1 March 2015... (March 2015)
Diabatic Low C2 January 2011... (January 2011), Style editing needed (April 2013)
Diagonal relationship Mid Start2 February 2007References needed (February 2007), ... (July 2017)
Diesel fuel Mid Start5 September 2014Unsourced statements (September 2014, October 2014), ... (January 2017, April 2017), Dead external links (September 2017)
Disilyne Low C5 December 2016Dead external links (December 2016, September 2017), Cleanup needed (June 2017, June 2017), ... (June 2017)
Dislocation Low C1 April 2016... (April 2016)
Dispersion (chemistry) Mid Start2 December 2013References needed (December 2013), ... (November 2014)
Dissociation constant High B3 July 2015Unsourced statements (June 2016, July 2015), ... (June 2016)
Dissolution (chemistry) High Start11 December 2009Reliable references lacking (December 2009), Expert attention needed (June 2015), Unsourced statements (June 2015), References needed (June 2015), Weasel-worded phrases (June 2015), Cleanup needed (June 2015, June 2015), Disputed statements (June 2015), ... (June 2015), Merge needed (December 2016)
Disulfide Mid C3 November 2012Unsourced statements (November 2012), References needed (September 2015), ... (April 2016)
Effective molarity Low Stub3 June 2016Unsourced statements (June 2016), ... (June 2016), Weasel-worded phrases (June 2016)
Ei-ichi Negishi High Start1 January 2015... (January 2015)
Electromeric effect Mid Stub1 May 2017... (May 2017)
Electron capture detector Low C2 March 2017Unsourced statements (March 2017), ... (March 2017)
Electrophilic aromatic substitution High C1 April 2017... (April 2017)
Electrophilic halogenation Mid C1 June 2017... (June 2017)
Electrorheological fluid Low Start1 April 2010... (April 2010)
Empty lattice approximation Low Start1 November 2014... (November 2014)
Ene reaction Mid C1 November 2011... (November 2011)
Energetically modified cement Low Start2 March 2014... (March 2014), CS1 errors: external links
Energy level High Start3 December 2009References needed (December 2009), Weasel-worded phrases (January 2014), ... (May 2014)
Enol High C8 October 2010Unsourced statements (October 2010, July 2015), ... (October 2010, July 2015), References needed (July 2015), Expansion needed (July 2015), Reliable references lacking (July 2015), Disputed statements (July 2015)
Enthalpy Top C1 March 2015... (March 2015)
Eutectic system Low C4 November 2013Unsourced statements (November 2013), ... (November 2013, November 2014), Links needing disambiguation (February 2017)
Exothermic process Mid Start2 March 2015... (March 2015), Disputed statements (March 2015)
Femtochemistry Mid Start1 June 2015... (June 2015)
Ferrocerium Low Start1 July 2017... (July 2017)
Filter press Low C2 July 2017CS1 errors: dates, ... (July 2017)
Flamelet generated manifold Low Stub5 August 2014References needed (August 2014), ... (November 2015), Notability unclear (November 2015), Conflict of interest (November 2015), Disputed statements (November 2015)
Fourier-transform spectroscopy Mid Start1 August 2016... (August 2016)
Fritz Haber High C4 October 2014... (October 2014), Page number citations needed (May 2016), Unsourced statements (August 2017, September 2017)
Gadolinium-doped ceria Low Stub1 August 2013... (August 2013)
Galvanization Mid Start5 May 2012References needed (May 2012), Unsourced statements (March 2013, February 2017), Weasel-worded phrases (March 2013), ... (February 2017)
Gasoline Mid B15 June 2009... (June 2009, January 2015, July 2016, August 2016), Unsourced statements (September 2014, July 2014, April 2016, June 2015, August 2016, October 2016, May 2017), Update needed (April 2016), References needed (August 2016), Dead external links (January 2017, August 2017)
Gertrude B. Elion Low Start2 January 2017Dead external links (January 2017), ... (February 2017)
Gibbs free energy Top B4 March 2015... (March 2015, October 2016), Dead external links (January 2017), References needed (August 2017)
Glycopeptide Low Start2 April 2013Unsourced statements (April 2013), ... (April 2013)
Gold plating Low Start2 January 2013Unsourced statements (January 2013), ... (April 2013)
Grotthuss mechanism Mid Start2 February 2011... (February 2011), Unsourced statements (October 2016)
Ground glass joint Low C2 November 2016References needed (November 2016), ... (June 2017)
Hammett equation Mid Start11 June 2015Unsourced statements (June 2015), Style editing needed (June 2015), Update needed (June 2015), References needed (June 2015), Reliable references lacking (June 2015), Cleanup needed (June 2015, June 2015), ... (June 2015), Factual verification needed (June 2015), Page number citations needed (June 2015), References lacking (June 2015)
Hans Meerwein Mid Stub1 June 2016... (June 2016)
Health effects of radon Low Start3 June 2010Unsourced statements (July 2010, June 2010), ... (June 2010)
Heterogeneous water oxidation Low Start1 June 2017... (June 2017)
Homogeneity and heterogeneity Mid Stub3 September 2010Unsourced statements (September 2010), ... (September 2010), Dead external links (July 2016)
Hydrogen bond High B1 December 2015... (December 2015)
Hydrometallurgy Mid Start3 September 2010Unsourced statements (September 2010, November 2010), ... (September 2010)
Hydron (chemistry) High Start2 November 2011Unsourced statements (November 2011), ... (September 2016)
Hydrophobe High C1 January 2015... (January 2015)
Hyperconjugation Mid B2 January 2011... (January 2011), Unsourced statements (September 2016)
IUPAC nomenclature of organic chemistry High Start2 January 2012Unsourced statements (January 2012), ... (February 2016)
Ida Noddack Mid Start2 April 2009Unsourced statements (April 2009), ... (November 2009)
Inner sphere electron transfer Low C1 June 2010... (June 2010)
Iodometry Low Start1 June 2017... (June 2017)
Ionic bonding High C1 October 2016... (October 2016)
Ionic conductivity (solid state) Low Stub4 October 2007... (October 2007), Expert attention needed (October 2010), Too technical (October 2010)
Irreducible representation Mid Start2 July 2013Unsourced statements (July 2013), ... (July 2016)
Irving–Williams series Low Start1 August 2015... (August 2015)
Josiah Willard Gibbs High FA2 August 2017DOIs inactive (2017), ... (August 2017)
Julius Rebek Low C2 February 2015Unsourced statements (March 2015), ... (February 2015)
L-Ribonucleic acid aptamer Low Start1 June 2012... (June 2012)
Lead–acid battery Mid C6 July 2013Unsourced statements (December 2013), References needed (December 2013), ... (July 2013), CS1 errors: dates, CS1 errors: chapter ignored, Dead external links (December 2016)
Linear acetylenic carbon Low Start3 January 2016URL error, ... (January 2016, June 2017)
Lipid polymorphism Low Start2 January 2015... (January 2015), Disputed statements (January 2015)
Liquid junction potential Low Stub1 June 2013... (June 2013)
Lithium soap Mid Stub2 January 2013Unsourced statements (January 2013), ... (January 2013)
Lotus effect Low Start2 January 2015Unsourced statements (January 2015), ... (January 2015)
Meisenheimer complex Mid C1 September 2015... (September 2015)
Melamine foam Low Start8 January 2016Unsourced statements (May 2016), Expansion needed (May 2016), Vague or ambiguous time (May 2016, January 2016), References needed (May 2016), Reliable references lacking (May 2016), Weasel-worded phrases (May 2016), ... (May 2016)
Mendeleev readings Low Start1 February 2017... (February 2017)
Metal-organic framework Mid B3 February 2014... (February 2014), Copy edit needed (September 2017), Weasel-worded phrases (September 2017)
Metallic bonding High C3 October 2009References needed (October 2009, September 2014), ... (January 2014)
Minimum ignition energy Mid Stub1 December 2012... (December 2012)
Mixed oxide Mid Stub2 June 2009... (June 2009), Unsourced statements (June 2009)
Mushet steel Low C1 December 2010... (December 2010)
NanoPutian Low Start4 February 2017Expert attention needed (February 2017), ... (February 2017), Too technical (February 2017)
Nanocellulose High B7 May 2013Unsourced statements (October 2014, March 2017), ... (May 2013, March 2017), Page number citations needed (March 2017), Weasel-worded phrases (March 2017), Reliable references lacking (March 2017)
Neonicotinoid Low C5 2013Potentially dated statements (2013, 2014), Unsourced statements (March 2015), Vague or ambiguous geographic scope (March 2015), ... (September 2016)
Neutronium Low Start5 February 2013Reliable references lacking (February 2013), Original research (February 2013), ... (April 2013), Unsourced statements (February 2017, June 2017)
Nickel titanium Mid Start2 January 2017CS1 errors: dates, ... (January 2017)
Nickel–metal hydride battery Low C5 2005Potentially dated statements (2005), References needed (July 2015), ... (January 2013), CS1 errors: dates, Unsourced statements (June 2015)
Nikolay Semyonov High Start2 October 2011... (October 2011), Web citation with no URL
Nitrogen inversion Mid Start1 November 2014... (November 2014)
Organoarsenic chemistry High C1 December 2013... (December 2013)
Organometallic chemistry Top Start4 January 2012Unsourced statements (January 2012, May 2016), Reliable references lacking (May 2016), ... (May 2016)
Organophosphate High C3 March 2017Unsourced statements (March 2017), Weasel-worded phrases (March 2017), ... (March 2017)
PH Top C1 October 2014... (October 2014)
Paracelsus High C4 June 2017CS1 errors: missing author or editor, Unsourced statements (June 2017), Disputed statements (June 2017), ... (August 2017)
Perkin triangle Low Start2 March 2008Unsourced statements (March 2008), ... (January 2016)
Pharmaceutical industry Mid C6 June 2015Unsourced statements (November 2015, June 2015), Citation with accessdate and no URL, ... (June 2015), Limited geographic scope (August 2015), CS1 errors: external links
Physical organic chemistry High Start7 June 2015Expansion needed (June 2015), Unsourced statements (June 2015), Reliable references lacking (June 2015), ... (June 2015), Factual verification needed (June 2015), Page number citations needed (June 2015), References lacking (June 2015)
Pnictogen Low Start2 October 2015Unsourced statements (October 2015), ... (October 2015)
Polarography Mid C1 November 2015... (November 2015)
Polycyclic aromatic hydrocarbon High B7 January 2014Detailed references needed, Unsourced statements (June 2014, July 2017), CS1 errors: dates, ... (January 2014, June 2014), Links needing disambiguation (August 2017)
Potential Determining Ion Low Stub2 August 2009... (August 2009), References needed (September 2014)
Potential gradient Mid Start1 March 2013... (March 2013)
Proton-coupled electron transfer Low Start2 June 2013Citation with accessdate and no URL, ... (June 2013)
Protonium Low Start1 January 2017... (January 2017)
Q-carbon Low Start4 December 2015Expert attention needed (January 2017), Original research (December 2015), ... (January 2017)
Qualitative inorganic analysis High Start3 February 2013References needed (February 2013), Expansion needed (October 2014), ... (February 2016)
Quantemol-DB Low Start7 April 2017Conflict of interest (April 2017), Peacock terms (April 2017), Reference cleanup (April 2017), Unsourced statements (July 2017), Merge needed (July 2017), Weasel-worded phrases (July 2017), ... (July 2017)
Quaternary ammonium cation Mid Start4 January 2013Unsourced statements (January 2013, September 2015), CS1 errors: dates, ... (August 2014)
Radical polymerization Mid C1 May 2017... (May 2017)
Redox Top C1 January 2011... (January 2011)
Reduction potential High Start5 May 2008References needed (May 2008, October 2011), Unsourced statements (April 2012, September 2013), ... (February 2012)
Reversed-phase chromatography Low Start1 September 2008... (September 2008)
Saturation (chemistry) Mid Start1 September 2016... (September 2016)
Second law of thermodynamics Top C2 August 2012Unsourced statements (August 2012), ... (February 2014)
Secondary flux Low Stub1 July 2016... (July 2016)
Smart cosubstrate Low Start3 February 2017Orphaned (February 2017), Copy edit needed (February 2017), ... (June 2017)
Solvent High B2 March 2017Unsourced statements (March 2017), ... (March 2017)
Spiro compound Mid C10 January 2016Unsourced statements (February 2016), Citation with format and no URL, Merge needed (January 2016), References needed (February 2016), Reliable references lacking (February 2016), Expansion needed (February 2016), Self-contradictory articles (February 2016), ... (February 2016), Factual verification needed (February 2016, March 2016)
Standard electrode potential Mid C1 May 2014... (May 2014)
Steel High GA5 December 2014Rewrite needed (December 2014), Vague or ambiguous time (October 2015), ... (April 2016), Weasel-worded phrases (October 2016), Unsourced statements (January 2017)
Stereocenter High Start5 February 2016Expert attention needed (February 2016), References needed (February 2016), ... (February 2016), Page number citations needed (February 2016)
Strobilurin Low Stub2 July 2011... (July 2011), Dead external links (August 2017)
Surface tension Mid GA2 March 2015Disputed statements (March 2015), ... (May 2016)
Synthon Mid Start4 December 2013Expert attention needed (September 2015), ... (December 2013), Too technical (September 2015)
Thermolabile protecting groups Low Stub2 August 2013... (August 2013), Orphaned (October 2015)
Thermonuclear weapon Mid C9 September 2009Expansion needed (September 2009), References needed (August 2013, December 2015), In-text citations lacking (August 2013), Reliable references lacking (October 2014, December 2016), Unsourced statements (January 2016, September 2017), ... (June 2017)
Thioketal Low Stub2 October 2008Sources lacking (October 2008), ... (May 2017)
Thiosulfinate Low Stub1 October 2014... (October 2014)
Third law of thermodynamics Top C3 January 2013Unsourced statements (January 2013), Page number citations needed (January 2013), ... (April 2015)
Tiffeneau–Demjanov rearrangement Mid C2 July 2011Unsourced statements (July 2011), ... (July 2011)
Total organic carbon Mid Start6 January 2009References needed (January 2009, April 2012), Unsourced statements (April 2012, August 2013), ... (November 2016), Split needed (September 2017)
Toxin Mid Start3 August 2008Unsourced statements (August 2008, November 2010), ... (August 2015)
Transition metal hydride Mid C1 November 2015... (November 2015)
Transition state theory High C2 April 2009Unsourced statements (April 2009), ... (April 2015)
Trimer (chemistry) Low Stub3 May 2014Citation lacking title, ... (May 2014), References needed (June 2016)
Tropospheric ozone depletion events Low Stub4 July 2013Expert attention needed (July 2013), ... (July 2013, November 2013)
Uniaxial crystal Low Stub3 September 2009Sources lacking (September 2009), Style editing needed (September 2009), ... (September 2009)
Water cluster Low C2 January 2015Unsourced statements (January 2015), ... (January 2015)
Wilhelm Ostwald High C2 April 2016... (April 2016), Unsourced statements (August 2017)
Windshield washer fluid Low Start7 June 2010Detailed references needed, Unsourced statements (August 2010, November 2010), ... (June 2010), References needed (January 2016), Weasel-worded phrases (January 2016), In-text citations lacking (January 2017)
Wire gauze Low Start2 August 2017Vague or ambiguous geographic scope (August 2017), ... (August 2017)
Wurtz reaction Mid Start2 December 2014Unsourced statements (April 2016), ... (December 2014)
X-ray crystallography High GA6 February 2009... (February 2009, February 2015, July 2016), Unsourced statements (November 2011, October 2011, March 2014)
Xylene Mid Start2 June 2016... (June 2016), Dead external links (July 2016)
Yamaguchi esterification Mid Start1 August 2015... (August 2015)
Ynone Low Start1 May 2017... (May 2017)
Zeotropic mixture Low Start2 January 2012... (January 2012), Citation with accessdate and no URL

Context needed (32)

ArticleImportanceClassCount OldestIssues
Atoms in molecules Mid Start2 July 2017... (July 2017), Introduction cleanup (July 2017)
Ballistic conduction in single-walled carbon nanotubes Low Start5 April 2011Expert attention needed (May 2011), Introduction cleanup (April 2011, May 2014), ... (April 2011)
Bancroft rule Mid Start3 October 2009Sources lacking (December 2009), Introduction cleanup (October 2009), ... (October 2009)
CDw17 antigen Low Stub2 March 2009Introduction cleanup (March 2009), ... (March 2009)
Chlorographene Low Start3 November 2012Introduction cleanup (November 2012), ... (November 2012), Clarification needed (May 2015)
Dynamic combinatorial chemistry Low C1 October 2014... (October 2014)
FreeON Low Stub3 June 2010Introduction cleanup (June 2010), ... (June 2010), Orphaned (January 2011)
GM3 Low Stub2 August 2014Introduction cleanup (August 2014), ... (August 2014)
Headspace Gas Chromatography for Dissolved Gas Measurement Mid C4 December 2014Expansion needed (December 2014), Introduction cleanup (December 2014), Orphaned (December 2014), ... (December 2014)
Heteroatom Low Stub2 April 2016Introduction cleanup (April 2016), ... (April 2016)
Immobilized pH gradient Low Stub2 October 2009Introduction cleanup (October 2009), ... (October 2009)
Intrinsic Noise Analyzer Low Stub5 July 2012Expert attention needed (July 2012), ... (July 2012), Introduction cleanup (July 2012), References needed (July 2012)
Iron oxide cycle Low Stub1 September 2011... (September 2011)
Job plot Low Start2 October 2009Introduction cleanup (October 2009), ... (October 2009)
Molecular probe Low Stub2 October 2009Introduction cleanup (October 2009), ... (October 2009)
Monosaccharide High Start2 July 2009References needed (July 2009), ... (September 2013)
Narrow-range ethoxylate Mid Start5 July 2009Introduction cleanup (July 2009), ... (July 2009), Expert attention needed (September 2012), Merge needed (September 2017)
Organic molecular tracers Low Start6 December 2009Expert attention needed (December 2009), Introduction cleanup (December 2009), ... (December 2009), Orphaned (April 2010), Too technical (December 2009)
Organostannane addition Mid C2 June 2010Introduction cleanup (June 2010), ... (June 2010)
Preferential alignment Low Stub4 January 2009Sources lacking (January 2009), Introduction cleanup (October 2009), ... (October 2009), Unsourced statements (December 2016)
Sequential structure alignment program Low Stub2 November 2009... (November 2009), Introduction cleanup (November 2009)
Sequential walking Low Stub3 October 2009Sources lacking (December 2009), Introduction cleanup (October 2009), ... (October 2009)
Solvation High Start4 June 2015Expansion needed (June 2015), ... (June 2015), Reliable references lacking (June 2015), Unsourced statements (August 2017)
Stability constants of complexes High C2 February 2015Introduction cleanup (February 2015), ... (February 2015)
Staggered conformation Low Stub2 March 2011Introduction cleanup (March 2011), ... (March 2011)
Steric exclusion Low Stub2 March 2011Introduction cleanup (March 2011), ... (March 2011)
Tetraanthraporphyrin Low Start4 February 2014Unsourced statements (February 2014), Introduction cleanup (February 2014), Weasel-worded phrases (February 2014), ... (February 2014)
Thermodynamics of micellization Low C5 June 2012Expert attention needed (June 2012), ... (June 2012), Introduction cleanup (June 2012), Too technical (June 2012)
X-ray Photon Correlation Spectroscopy Low Stub6 August 2017Expert attention needed (August 2017), ... (August 2017), Introduction cleanup (August 2017), Reorganization needed (August 2017), Too technical (August 2017)
ZACA reaction Low Stub3 March 2017Citation lacking title, ... (March 2017), Introduction cleanup (March 2017)
Zinc–zinc oxide cycle Low Stub1 September 2011... (September 2011)
Σ-bishomoaromaticity Low Stub2 June 2017Introduction cleanup (June 2017), ... (June 2017)

Expert attention needed (122)

ArticleImportanceClassCount OldestIssues
1s Slater-type function Low Start3 July 2012... (July 2012), Too technical (July 2012)
Anti-corrosion Mid Start4 October 2009References needed (October 2009), ... (February 2011), URL error
Ballistic conduction in single-walled carbon nanotubes Low Start5 April 2011... (May 2011), Introduction cleanup (April 2011, May 2014), Context needed (April 2011)
Biosynthesis of cocaine Low C3 July 2017... (July 2017), Too technical (July 2017)
Blank (solution) Low Stub2 September 2012... (September 2012)
Bridged compounds Mid Stub8 June 2006References needed (June 2006, March 2016), ... (February 2016), In-text citations lacking (February 2016), Expansion needed (March 2016), Cleanup needed (March 2016), List cleanup (March 2016)
CLP Regulation Mid Start4 November 2015... (November 2015), Reliable references lacking (November 2015), Too technical (November 2015)
Carbohydrate conformation Low C3 January 2012... (January 2012), References needed (January 2012)
Carbohydrate synthesis Mid C3 February 2016... (February 2016), Too technical (February 2016)
Catalyst poisoning Low Stub3 September 2011... (June 2016), References needed (September 2011)
Catalytically competent protonation state Low Start4 June 2010... (June 2010), Sources lacking (June 2010), Original research (June 2010)
Ceramic colorants Low Start3 May 2008... (May 2008), In-text citations lacking (November 2010)
Ceramic flux Low Start2 March 2012... (March 2012)
Chain scission Low Stub2
Chemical compound Top Start2 July 2015... (July 2015)
Chemical ecology Low Stub8 March 2017Detailed references needed, ... (March 2017), Unsourced statements (March 2017), Weasel-worded phrases (March 2017), Self-contradictory articles (March 2017), Clarification needed (March 2017), Reliable references lacking (March 2017)
Chemical state Mid Start2 November 2008... (November 2008)
Chemical structure High Stub5 July 2015... (July 2015), References needed (October 2015), Unsourced statements (July 2015), In-text citations lacking (October 2015)
Chemical synthesis High Start2 March 2016... (March 2016)
Chiral Lewis acid Mid C2 November 2013... (November 2013)
Chondronectin Low Stub3 October 2010... (January 2016), Orphaned (October 2010)
Cobalt(II)–porphyrin catalysis Low Start6 April 2017... (April 2017), Too technical (April 2017), Orphaned (April 2017), Wikilinks needed (May 2017), Reliable references lacking (May 2017)
Cobalt-mediated radical polymerization Low Start2 July 2010... (July 2010)
Complex metallic alloys Low Start2 November 2008... (November 2008)
Crich beta-mannosylation Low C4 May 2009References needed (May 2009), ... (January 2014), Orphaned (January 2011)
Crystal growth Mid C3 December 2015... (December 2015), Too technical (December 2015)
Cyclic compound High Start13 April 2015... (April 2015), Reliable references lacking (April 2015), Expansion needed (June 2015, April 2015), References needed (April 2015, June 2015), Unsourced statements (April 2015, June 2015), Clarification needed (April 2015), Page number citations needed (April 2015, June 2015), Factual verification needed (April 2015)
D-amino acid Low Stub2 October 2016... (October 2016)
Denitrification Low C4 January 2015... (August 2015), Unsourced statements (January 2015), Too technical (August 2015)
Densitation Low Stub4 November 2008Sources lacking (December 2009), ... (November 2008), Orphaned (September 2014)
Detection limit Mid C4 January 2016... (January 2016), References needed (January 2016), Accuracy disputes (January 2016)
Diketopyrrolopyrrole dye Low Stub4 June 2016... (June 2016), References needed (January 2017), Wikilinks needed (January 2017)
Dissolution (chemistry) High Start11 December 2009Reliable references lacking (December 2009), ... (June 2015), Unsourced statements (June 2015), References needed (June 2015), Weasel-worded phrases (June 2015), Cleanup needed (June 2015, June 2015), Disputed statements (June 2015), Clarification needed (June 2015), Merge needed (December 2016)
Dodecaborate Low Start3 January 2017... (January 2017), Too technical (January 2017)
End-group Mid C3 May 2014... (May 2014), Too technical (May 2014)
Enhancement or quenching of QD, Q-wire and QW radiations Low Start2 June 2009... (June 2009)
Epicatalysis Low Start4 September 2015... (September 2015, March 2016), Too technical (September 2015)
Estuarine acidification Low Start6 October 2013Detailed references needed, ... (October 2013), References needed (September 2014), Too technical (October 2013), Unsourced statements (January 2017)
Evaporation High Start4 November 2008... (November 2008), Unsourced statements (January 2013), References needed (August 2016)
Explosive boiling or phase explosion Low Start3 June 2013... (June 2013), Too technical (June 2013)
Extended periodic table Low B6 April 2011... (December 2011), Unsourced statements (February 2012), Potentially dated statements (April 2011), Weasel-worded phrases (October 2011), Dead external links (October 2016)
Fat High Start6 October 2013... (April 2014, June 2015), Unsourced statements (September 2014), References needed (October 2013), Too technical (June 2015)
Fractional coordinates Low Start3 June 2012... (June 2012), References needed (August 2016)
Frigorific mixture Low Start2 January 2014... (January 2014)
Functionalized polyolefins Mid Start5 March 2016... (March 2016), Reliable references lacking (March 2016), Weasel-worded phrases (March 2016), Orphaned (May 2016)
GROMOS Low Start3 November 2012... (November 2012), Too technical (November 2012)
Glass Poling Low Start3 June 2013... (June 2013), Too technical (June 2013)
Graphene chemistry Low C3 December 2013... (December 2013), Too technical (December 2013)
Henderson–Hasselbalch equation Mid C4 February 2017... (February 2017), Original research (February 2017), References needed (February 2017)
Hermetic seal Low Start4 November 2011... (December 2011), Introduction cleanup (December 2011, November 2011)
Indium-mediated allylation Low Start5 August 2012... (August 2012), Unsourced statements (August 2012), Too technical (August 2012), Reliable references lacking (June 2014)
Internal Coordinate Mechanics Low Stub2 November 2008... (November 2008)
Intrinsic Noise Analyzer Low Stub5 July 2012... (July 2012), Context needed (July 2012), Introduction cleanup (July 2012), References needed (July 2012)
Ionic conductivity (solid state) Low Stub4 October 2007Clarification needed (October 2007), ... (October 2010), Too technical (October 2010)
Judd–Ofelt theory Mid Stub4 November 2015... (November 2015), Expansion needed (November 2015), Orphaned (November 2015)
Kinetic Inhibitor Low Stub4 August 2012... (August 2012), Too technical (August 2012), Orphaned (April 2013)
Korean Fiber Society Low Stub3 September 2009... (September 2009), Orphaned (January 2011)
Liesegang rings Low Start3 November 2010... (November 2010), In-text citations lacking (November 2010)
Ligand bond number Low Start3 October 2012... (October 2012), Too technical (October 2012)
Lignan Low Start4 January 2017... (January 2017), Too technical (January 2017), Unsourced statements (July 2017)
Liquid crystalline elastomer Low Start4 May 2017... (May 2017), Too technical (May 2017), Orphaned (June 2017)
List of commonly available chemicals Mid List3 June 2009Unsourced statements (June 2009), ... (March 2013)
List of unsolved problems in chemistry Low List9 November 2011References needed (December 2014), ... (November 2011), Accuracy disputes (November 2011, December 2014), Unsourced statements (December 2014), Reliable references lacking (December 2014), Weasel-worded phrases (December 2014), Factual verification needed (December 2014)
Lithium hybrid organic battery Low Start5 April 2015... (April 2015), Orphaned (April 2015), Too technical (April 2015), Wikilinks needed (June 2015)
Meta-selective C-H functionalization Low Start3 December 2014... (December 2014), Too technical (December 2014)
Metal-phenolic network Low Stub4 February 2016... (February 2016), Wikilinks needed (February 2016), Too technical (February 2016)
Mixed oxidant Low Start6 September 2015... (September 2015), Reliable references lacking (October 2015), Promotional tone (September 2015), Too technical (September 2015), Orphaned (June 2016)
NanoPutian Low Start4 February 2017... (February 2017), Clarification needed (February 2017), Too technical (February 2017)
Narrow-range ethoxylate Mid Start5 July 2009Introduction cleanup (July 2009), Context needed (July 2009), ... (September 2012), Merge needed (September 2017)
Nephelauxetic effect Mid Start3 March 2013... (March 2013), Too technical (March 2013)
Non-bonding orbital Mid Start3 January 2008References needed (January 2008), ... (September 2008)
Non-linear effects Low C4 December 2012... (June 2014), Introduction cleanup (December 2012), Too technical (June 2014)
Organic molecular tracers Low Start6 December 2009... (December 2009), Introduction cleanup (December 2009), Context needed (December 2009), Orphaned (April 2010), Too technical (December 2009)
Osmotic dehydration Low Stub4 June 2009... (June 2009), Cleanup needed (June 2009, June 2009)
Oxy-Cope rearrangement Mid C4 December 2015... (December 2015), Style editing needed (December 2015), Too technical (December 2015)
Parent hydride Mid Stub2 March 2016... (March 2016)
Pentagonal bipyramidal molecular geometry Mid Stub3 April 2017... (April 2017), References needed (April 2017)
Phase-boundary catalysis Low Stub4 August 2008... (February 2009), Cleanup needed (August 2008, August 2008)
Phosphonium coupling Low Start4 March 2012... (March 2012), Too technical (March 2012), Orphaned (February 2013)
Physical vapor deposition Mid Stub4 February 2009... (February 2009), In-text citations lacking (April 2011), Unsourced statements (July 2016)
Plate reader Low Start3 November 2008References needed (April 2012), ... (November 2008)
Polyetherketoneketone Low Stub3 June 2013... (June 2013), Too technical (June 2013)
Polyol Mid Start5 August 2015... (August 2015), Original research (August 2015), Expansion needed (August 2015), Accuracy disputes (August 2015)
Polyphenol Mid Start3 July 2016... (July 2016), Too technical (July 2016)
Potential of mean force Low Stub2 November 2008... (November 2008)
Precipitation polymerization Low Start2 July 2009... (July 2009)
Pyramidal carbocation Low Stub4 February 2017... (February 2017), Copy edit needed (February 2017), Too technical (February 2017)
Q-carbon Low Start4 December 2015... (January 2017), Original research (December 2015), Clarification needed (January 2017)
Quantum-mechanical explanation of intermolecular interactions Low C3 August 2008Unsourced statements (August 2008), ... (September 2009)
Quasi-crystals (supramolecular) Mid Start3 May 2014... (May 2014), Too technical (May 2014)
Reactive oxygen species production in marine microalgae Low B4 April 2013... (April 2013), Orphaned (May 2013), Too technical (April 2013)
Retention distance Low Stub5 September 2008Cleanup needed (September 2008, September 2008), ... (June 2012), Too technical (June 2012)
Riley oxidation Low Start4 April 2017... (May 2017), Reliable references lacking (April 2017), Too technical (May 2017)
Ripening Low Start7 February 2010References needed (February 2010), ... (January 2013), Unsourced statements (January 2014, July 2016, May 2017), Failed verification (July 2017)
Shape-memory alloy Low Start3 February 2009... (February 2009), Unsourced statements (December 2012)
Silanization of silicon and mica Low Start4 August 2012... (August 2012), Introduction cleanup (August 2012), Too technical (August 2012)
Smart polymer Low Stub4 September 2009... (September 2009), References needed (March 2013), Introduction cleanup (March 2013)
Solid-phase synthesis Mid Stub4 June 2014... (June 2014), Expansion needed (June 2014), Sources lacking (June 2014)
Specific rotation High Start3 October 2010... (October 2010), Too technical (October 2010)
Spin transition Mid Start4 September 2010... (September 2010), Too technical (September 2010), Sources lacking (February 2016)
Sporolides Low Start2 August 2009... (August 2009)
Stereocenter High Start5 February 2016... (February 2016), References needed (February 2016), Clarification needed (February 2016), Page number citations needed (February 2016)
Stereoelectronic effect Mid Start3 November 2013... (November 2013), Too technical (November 2013)
Steroid Mid C9 May 2014... (March 2017), Page number citations needed (May 2014), Reliable references lacking (July 2014, March 2017), Reference errors, Unsourced statements (March 2017), Factual verification needed (March 2017), Expansion needed (March 2017)
Synthon Mid Start4 December 2013... (September 2015), Clarification needed (December 2013), Too technical (September 2015)
Syringe filter Low C4 February 2007References needed (February 2007), ... (February 2009), Unsourced statements (February 2007)
Theoretical oxygen demand Low Stub3 December 2008... (December 2008), References needed (September 2014)
Thermodynamics of micellization Low C5 June 2012... (June 2012), Context needed (June 2012), Introduction cleanup (June 2012), Too technical (June 2012)
Thermoplastic polyurethane Low Start4 September 2010... (September 2010), Too technical (September 2010), CS1 errors: external links
Third phase Low Stub2 February 2009... (February 2009)
Total synthesis Mid Start6 August 2015... (March 2017), Unsourced statements (August 2015), Weasel-worded phrases (March 2017), Dead external links (March 2017), Vague or ambiguous time (March 2017)
Toxinology Low Start3 February 2009References needed (February 2010), ... (February 2009)
Tropospheric ozone depletion events Low Stub4 July 2013... (July 2013), Clarification needed (July 2013, November 2013)
Underpotential deposition Low Stub3 September 2010... (September 2010), Too technical (September 2010)
Van der Waals force High C4 June 2017... (June 2017), CS1 errors: translated title, Too technical (June 2017)
Varrentrapp reaction Low Start3 July 2015Translation cleanup needed, ... (July 2015)
Vinylogy Low Start3 July 2014... (July 2014), References needed (July 2014)
Wiswesser's rule Mid Stub4 February 2009... (February 2009), Sources lacking (July 2014), Style editing needed (November 2015)
X-ray Photon Correlation Spectroscopy Low Stub6 August 2017... (August 2017), Context needed (August 2017), Introduction cleanup (August 2017), Reorganization needed (August 2017), Too technical (August 2017)
Yellowcake Mid Start2 July 2011... (July 2011)
Zero differential overlap Low Stub3 January 2014... (January 2014), Too technical (January 2014)
Zone axis Low C3 October 2014... (October 2014), Too technical (October 2014)

Rewrite needed (10)

ArticleImportanceClassCount OldestIssues
Amorphous carbon Low Start1 December 2012... (December 2012)
Amperometric titration Mid Start1 March 2011... (March 2011)
Anaglypta Low Start3 August 2012Unsourced statements (October 2013, June 2014), ... (August 2012)
Charge number Mid Stub1 January 2014... (January 2014)
Clyde cancer cluster Low Start8 December 2015CS1 errors: dates, References needed (December 2015), Expansion needed (January 2016), Reliable references lacking (December 2015), CS1 errors: external links, NPOV disputes (January 2016), Accuracy disputes (January 2016), ... (January 2016)
Cyclohexane conformation Mid C10 January 2008References needed (January 2008, May 2014), Unsourced statements (January 2008, May 2014, August 2011), Clarification needed (May 2014), Reliable references lacking (May 2014), Cleanup needed (May 2014, May 2014), ... (May 2014)
Flame ionization detector Low Stub2 October 2008... (October 2008), In-text citations lacking (July 2011)
Illudin Low Stub1 August 2015... (August 2015)
Steel High GA5 December 2014... (December 2014), Vague or ambiguous time (October 2015), Clarification needed (April 2016), Weasel-worded phrases (October 2016), Unsourced statements (January 2017)
Unsaturated fat Mid C4 January 2015References needed (January 2015), ... (January 2015), Unsourced statements (March 2017, April 2017)

Self-contradictory articles (2)

ArticleImportanceClassCount OldestIssues
Chemical ecology Low Stub8 March 2017Detailed references needed, Expert attention needed (March 2017), Unsourced statements (March 2017), Weasel-worded phrases (March 2017), ... (March 2017), Clarification needed (March 2017), Reliable references lacking (March 2017)
Spiro compound Mid C10 January 2016Unsourced statements (February 2016), Citation with format and no URL, Merge needed (January 2016), References needed (February 2016), Reliable references lacking (February 2016), Expansion needed (February 2016), ... (February 2016), Clarification needed (February 2016), Factual verification needed (February 2016, March 2016)

Too technical (51)

ArticleImportanceClassCount OldestIssues
1s Slater-type function Low Start3 July 2012Expert attention needed (July 2012), ... (July 2012)
Biosynthesis of cocaine Low C3 July 2017Expert attention needed (July 2017), ... (July 2017)
CLP Regulation Mid Start4 November 2015Expert attention needed (November 2015), Reliable references lacking (November 2015), ... (November 2015)
Carbohydrate synthesis Mid C3 February 2016Expert attention needed (February 2016), ... (February 2016)
Cobalt(II)–porphyrin catalysis Low Start6 April 2017Expert attention needed (April 2017), ... (April 2017), Orphaned (April 2017), Wikilinks needed (May 2017), Reliable references lacking (May 2017)
Crystal growth Mid C3 December 2015Expert attention needed (December 2015), ... (December 2015)
Denitrification Low C4 January 2015Expert attention needed (August 2015), Unsourced statements (January 2015), ... (August 2015)
Dodecaborate Low Start3 January 2017Expert attention needed (January 2017), ... (January 2017)
End-group Mid C3 May 2014Expert attention needed (May 2014), ... (May 2014)
Epicatalysis Low Start4 September 2015Expert attention needed (September 2015, March 2016), ... (September 2015)
Estuarine acidification Low Start6 October 2013Detailed references needed, Expert attention needed (October 2013), References needed (September 2014), ... (October 2013), Unsourced statements (January 2017)
Explosive boiling or phase explosion Low Start3 June 2013Expert attention needed (June 2013), ... (June 2013)
Fat High Start6 October 2013Expert attention needed (April 2014, June 2015), Unsourced statements (September 2014), References needed (October 2013), ... (June 2015)
GROMOS Low Start3 November 2012Expert attention needed (November 2012), ... (November 2012)
Glass Poling Low Start3 June 2013Expert attention needed (June 2013), ... (June 2013)
Graphene chemistry Low C3 December 2013Expert attention needed (December 2013), ... (December 2013)
Indium-mediated allylation Low Start5 August 2012Expert attention needed (August 2012), Unsourced statements (August 2012), ... (August 2012), Reliable references lacking (June 2014)
Ionic conductivity (solid state) Low Stub4 October 2007Clarification needed (October 2007), Expert attention needed (October 2010), ... (October 2010)
Kinetic Inhibitor Low Stub4 August 2012Expert attention needed (August 2012), ... (August 2012), Orphaned (April 2013)
Ligand bond number Low Start3 October 2012Expert attention needed (October 2012), ... (October 2012)
Lignan Low Start4 January 2017Expert attention needed (January 2017), ... (January 2017), Unsourced statements (July 2017)
Liquid crystalline elastomer Low Start4 May 2017Expert attention needed (May 2017), ... (May 2017), Orphaned (June 2017)
Lithium hybrid organic battery Low Start5 April 2015Expert attention needed (April 2015), Orphaned (April 2015), ... (April 2015), Wikilinks needed (June 2015)
Meta-selective C-H functionalization Low Start3 December 2014Expert attention needed (December 2014), ... (December 2014)
Metal-phenolic network Low Stub4 February 2016Expert attention needed (February 2016), Wikilinks needed (February 2016), ... (February 2016)
Mixed oxidant Low Start6 September 2015Expert attention needed (September 2015), Reliable references lacking (October 2015), Promotional tone (September 2015), ... (September 2015), Orphaned (June 2016)
NanoPutian Low Start4 February 2017Expert attention needed (February 2017), Clarification needed (February 2017), ... (February 2017)
Nephelauxetic effect Mid Start3 March 2013Expert attention needed (March 2013), ... (March 2013)
Non-linear effects Low C4 December 2012Expert attention needed (June 2014), Introduction cleanup (December 2012), ... (June 2014)
Organic molecular tracers Low Start6 December 2009Expert attention needed (December 2009), Introduction cleanup (December 2009), Context needed (December 2009), Orphaned (April 2010), ... (December 2009)
Oxy-Cope rearrangement Mid C4 December 2015Expert attention needed (December 2015), Style editing needed (December 2015), ... (December 2015)
Phosphonium coupling Low Start4 March 2012Expert attention needed (March 2012), ... (March 2012), Orphaned (February 2013)
Polyetherketoneketone Low Stub3 June 2013Expert attention needed (June 2013), ... (June 2013)
Polyphenol Mid Start3 July 2016Expert attention needed (July 2016), ... (July 2016)
Pyramidal carbocation Low Stub4 February 2017Expert attention needed (February 2017), Copy edit needed (February 2017), ... (February 2017)
Quasi-crystals (supramolecular) Mid Start3 May 2014Expert attention needed (May 2014), ... (May 2014)
Reactive oxygen species production in marine microalgae Low B4 April 2013Expert attention needed (April 2013), Orphaned (May 2013), ... (April 2013)
Retention distance Low Stub5 September 2008Cleanup needed (September 2008, September 2008), Expert attention needed (June 2012), ... (June 2012)
Riley oxidation Low Start4 April 2017Expert attention needed (May 2017), Reliable references lacking (April 2017), ... (May 2017)
Silanization of silicon and mica Low Start4 August 2012Expert attention needed (August 2012), Introduction cleanup (August 2012), ... (August 2012)
Specific rotation High Start3 October 2010Expert attention needed (October 2010), ... (October 2010)
Spin transition Mid Start4 September 2010Expert attention needed (September 2010), ... (September 2010), Sources lacking (February 2016)
Stereoelectronic effect Mid Start3 November 2013Expert attention needed (November 2013), ... (November 2013)
Synthon Mid Start4 December 2013Expert attention needed (September 2015), Clarification needed (December 2013), ... (September 2015)
Thermodynamics of micellization Low C5 June 2012Expert attention needed (June 2012), Context needed (June 2012), Introduction cleanup (June 2012), ... (June 2012)
Thermoplastic polyurethane Low Start4 September 2010Expert attention needed (September 2010), ... (September 2010), CS1 errors: external links
Underpotential deposition Low Stub3 September 2010Expert attention needed (September 2010), ... (September 2010)
Van der Waals force High C4 June 2017Expert attention needed (June 2017), CS1 errors: translated title, ... (June 2017)
X-ray Photon Correlation Spectroscopy Low Stub6 August 2017Expert attention needed (August 2017), Context needed (August 2017), Introduction cleanup (August 2017), Reorganization needed (August 2017), ... (August 2017)
Zero differential overlap Low Stub3 January 2014Expert attention needed (January 2014), ... (January 2014)
Zone axis Low C3 October 2014Expert attention needed (October 2014), ... (October 2014)

Vague or ambiguous geographic scope (5)

ArticleImportanceClassCount OldestIssues
Biomonitoring Mid C7 April 2012Page number citations needed (April 2012), Unsourced statements (April 2016), CS1 errors: chapter ignored, Expansion needed (April 2016), Limited geographic scope (April 2016), Reliable references lacking (April 2016), ... (April 2016)
Creosote Low B8 October 2016Failed verification (October 2016), Unsourced statements (January 2017, February 2017), Weasel words (January 2017), Style editing needed (January 2017), Weasel-worded phrases (January 2017), ... (January 2017), Original research (January 2017)
Neonicotinoid Low C5 2013Potentially dated statements (2013, 2014), Unsourced statements (March 2015), ... (March 2015), Clarification needed (September 2016)
Trans fat Mid B12 September 2010Unsourced statements (May 2014, September 2015, April 2013, June 2015, April 2017), Update needed (September 2010), Dead external links (December 2010, September 2017), Obsolete information (March 2012), ... (September 2012), Citation with format and no URL, Failed verification (March 2015)
Wire gauze Low Start2 August 2017... (August 2017), Clarification needed (August 2017)

Vague or ambiguous time (44)

ArticleImportanceClassCount OldestIssues
Alan Sargeson Low Stub1 June 2016... (June 2016)
Aldol reaction High B2 April 2011... (April 2011), Unsourced statements (March 2016)
Andrew Orr-Ewing Unknown Stub1 August 2017... (August 2017)
Antifreeze Mid B6 March 2009Unsourced statements (March 2009, November 2010, November 2014), ... (February 2016), Dead external links (October 2016, September 2017)
Ayhan Ulubelen Low Start7 May 2012Detailed references needed, Unsourced statements (July 2013), BLP articles lacking sources (May 2012), Clarification needed (May 2012, July 2013), ... (July 2013), Dead external links (October 2016)
Biocatalysis High Start2 January 2011... (January 2011), Page number citations needed (February 2013)
Brass Mid C5 October 2010Unsourced statements (October 2010, January 2015, January 2017), ... (January 2017), References needed (January 2017)
Christopher Longuet-Higgins Low B2 April 2017Unsourced statements (April 2017), ... (April 2017)
Cryochemistry Mid Start4 November 2015Unsourced statements (November 2015), In-text citations lacking (November 2015), Clarification needed (November 2015), ... (November 2015)
Dan Shechtman High C4 October 2011Unsourced statements (October 2011, December 2014), ... (October 2011), Update needed (June 2014)
Defoliant Low Stub1 October 2015... (October 2015)
Derek Barton High Start3 December 2015Unsourced statements (December 2015), ... (December 2015), Weasel-worded phrases (December 2015)
Dorothy M. Needham Low Start3 July 2016Dead external links (July 2016), Unsourced statements (July 2016), ... (July 2016)
Ellen D. Williams (scientist) Low Start2 July 2017Unsourced statements (July 2017), ... (July 2017)
Extended porphyrin Low Stub3 February 2014Orphaned (February 2014), Sources lacking (February 2014), ... (August 2017)
Fluorosurfactant Mid Start1 May 2017... (May 2017)
Frederick Sanger Mid B2 November 2013Potentially dated statements (2015), ... (November 2013)
Globally Harmonized System of Classification and Labelling of Chemicals Mid Start8 May 2008Style editing needed (May 2008), In-text citations lacking (September 2013), CS1 errors: dates, Dead external links (September 2016), ... (February 2017), Unsourced statements (February 2017), Weasel-worded phrases (February 2017), References needed (February 2017)
Harry Anderson (chemist) Low Start4 April 2014Unsourced statements (April 2014, July 2017), Dead external links (July 2017), ... (July 2017)
Isotope High C1 September 2016... (September 2016)
Julia Higgins Low Start2 March 2016Unsourced statements (March 2016), ... (March 2017)
Leo Paquette Low Start7 January 2016Reliable references lacking (January 2016), Unsourced statements (January 2016), Weasel-worded phrases (January 2016), BLP articles lacking sources (April 2016, January 2016), Factual verification needed (January 2016), ... (January 2016)
MCherry Low Stub1 November 2016... (November 2016)
Manfred Eigen Low C2 March 2016Unsourced statements (March 2016), ... (March 2016)
Melamine foam Low Start8 January 2016Unsourced statements (May 2016), Expansion needed (May 2016), ... (May 2016, January 2016), References needed (May 2016), Reliable references lacking (May 2016), Weasel-worded phrases (May 2016), Clarification needed (May 2016)
Molecular graphics Mid B3 June 2009References needed (June 2009), Unsourced statements (June 2014), ... (June 2014)
Monomer High Start1 December 2015... (December 2015)
Nano-thermite Low Start1 June 2017... (June 2017)
Noble gas compound Mid C9 January 2015Cleanup needed (January 2015, January 2015), References needed (January 2015), Expansion needed (January 2015), Reliable references lacking (January 2015), Unsourced statements (January 2015), Weasel-worded phrases (January 2015), ... (January 2015), Factual verification needed (January 2015)
Norbornene-mediated meta-C-H activation Low Start1 June 2017... (June 2017)
Octane rating Low C6 June 2009Unsourced statements (June 2009, October 2010, September 2013, August 2013, March 2013), ... (August 2013)
Organic synthesis High B3 March 2016References needed (March 2016), ... (March 2016), Page number citations needed (March 2016)
Organoselenium chemistry High C1 June 2016... (June 2016)
Peptide synthesis High C11 February 2013Unsourced statements (February 2013, November 2016), Weasel-worded phrases (November 2016), ... (November 2016), Obsolete information (November 2016), Update needed (November 2016), Reliable references lacking (November 2016), Original research (November 2016), Factual verification needed (November 2016), References needed (November 2016, June 2017)
Roy A. Periana Low Start4 July 2012... (July 2012), Cleanup needed (July 2012), Prose needed (July 2012), Promotional tone (August 2014)
Roy M. Harrison Unknown Start1 August 2017... (August 2017)
Shankar Balasubramanian Low Start1 July 2016... (July 2016)
Solid nitrogen Low C1 May 2017... (May 2017)
Stanley B. Prusiner Mid Start1 October 2015... (October 2015)
Steel High GA5 December 2014Rewrite needed (December 2014), ... (October 2015), Clarification needed (April 2016), Weasel-worded phrases (October 2016), Unsourced statements (January 2017)
Steven V. Ley Mid Start3 December 2015Potentially dated statements (2015), Unsourced statements (December 2015), ... (December 2015)
Total synthesis Mid Start6 August 2015Expert attention needed (March 2017), Unsourced statements (August 2015), Weasel-worded phrases (March 2017), Dead external links (March 2017), ... (March 2017)
Yuri Lvov Low Start3 August 2017... (August 2017), BLP articles lacking sources (August 2017), Unsourced statements (August 2017)
Étienne-Émile Baulieu Low C1 April 2015... (April 2015)

Content

Cleanup needed (68)

ArticleImportanceClassCount OldestIssues
Breakthrough of the Year Low List4 December 2012Unsourced statements (December 2012), ... (December 2016), Tables needed (December 2016), List cleanup (December 2016)
Bridged compounds Mid Stub8 June 2006References needed (June 2006, March 2016), Expert attention needed (February 2016), In-text citations lacking (February 2016), Expansion needed (March 2016), ... (March 2016), List cleanup (March 2016)
Cahn–Ingold–Prelog priority rules Mid Start6 February 2016Unsourced statements (February 2016), References needed (February 2016), ... (February 2016, March 2017), Clarification needed (February 2016), Weasel-worded phrases (February 2016)
Carbocyclic nucleoside Low C2 May 2016... (May 2016), Prose needed (May 2016)
Chemical test Mid List3 February 2016... (February 2016), Prose needed (February 2016), References needed (June 2017)
Condensation reaction High Start7 March 2017... (March 2017, March 2017), Unsourced statements (March 2017), List cleanup (March 2017), References needed (March 2017, April 2017), Expansion needed (March 2017)
Cone calorimeter Low Start6 April 2013... (April 2013, April 2013), Peacock terms (May 2014), Promotional tone (May 2014), Wikilinks needed (May 2014), Reference cleanup (May 2014)
Corey–Itsuno reduction Mid C2 January 2011... (January 2011, January 2011)
Cosmochemistry Low Start3 January 2017Prose needed (January 2017), Slanted towards recent events (January 2017), ... (January 2017)
CrystaSulf Low Start4 August 2009Orphaned (August 2009), ... (August 2009, August 2009), References needed (July 2016)
Curt Wittig Low Start5 June 2010... (May 2011, May 2011), Orphaned (June 2010), BLP articles lacking sources (May 2011), Conflict of interest (May 2011)
Cyclohexane conformation Mid C10 January 2008References needed (January 2008, May 2014), Unsourced statements (January 2008, May 2014, August 2011), Clarification needed (May 2014), Reliable references lacking (May 2014), ... (May 2014, May 2014), Rewrite needed (May 2014)
Cyril Y. Bowers Low Start3 April 2010Orphaned (April 2010), ... (March 2011, March 2011)
Cytochrome P450 Mid B4 January 2010Unsourced statements (January 2010, April 2011), ... (September 2016, September 2016)
Disilyne Low C5 December 2016Dead external links (December 2016, September 2017), ... (June 2017, June 2017), Clarification needed (June 2017)
Disinfectant Low C7 March 2009Unsourced statements (March 2009, May 2014, July 2013, December 2012, January 2011), ... (February 2015, February 2015)
Dissolution (chemistry) High Start11 December 2009Reliable references lacking (December 2009), Expert attention needed (June 2015), Unsourced statements (June 2015), References needed (June 2015), Weasel-worded phrases (June 2015), ... (June 2015, June 2015), Disputed statements (June 2015), Clarification needed (June 2015), Merge needed (December 2016)
Dry ice color show Low Start3 August 2017... (August 2017, August 2017), Orphaned (August 2017)
Dyeing Mid Start2 January 2011... (January 2011, January 2011)
Döbereiner's triads Low Stub3 December 2013... (December 2013, December 2013), Factual verification needed (December 2013)
Edward I. Solomon Low Stub1 October 2016... (October 2016)
Environmental toxicology Low Start3 August 2014Citation with accessdate and no URL, ... (August 2014, August 2014)
Extraction (chemistry) Mid Start5 May 2011References needed (May 2011), ... (May 2014, May 2014, June 2015), Introduction cleanup (May 2014)
Fluid extract Low Stub3 September 2008Sources lacking (September 2008), ... (September 2008, September 2008)
Fluorophore Mid Start2 February 2016... (February 2016), List cleanup (February 2016)
Fullerene High B4 August 2015... (August 2015, August 2015), Unsourced statements (August 2015), Reliable references lacking (August 2015)
Gas chromatography ion detector Low Stub3 September 2008Prose needed (September 2008), ... (September 2008), Sources lacking (June 2012)
Gas evolution reaction Low Stub3 December 2013... (December 2013), Prose needed (December 2013), In-text citations lacking (June 2014)
Hammett equation Mid Start11 June 2015Unsourced statements (June 2015), Style editing needed (June 2015), Update needed (June 2015), References needed (June 2015), Reliable references lacking (June 2015), ... (June 2015, June 2015), Clarification needed (June 2015), Factual verification needed (June 2015), Page number citations needed (June 2015), References lacking (June 2015)
Homochirality Mid B5 March 2008Unsourced statements (March 2008, July 2013, March 2014), ... (August 2017, August 2017)
Humidity indicator Low Stub2 August 2010... (August 2010, August 2010)
In situ polymerization Low Stub4 April 2009References needed (April 2009), ... (April 2009, April 2009), Orphaned (December 2015)
Invisible ink Low C1 January 2011... (January 2011)
John H. Seinfeld Low Stub5 July 2009Style editing needed (July 2009), ... (July 2009, July 2009), BLP articles lacking sources (October 2011), Notability unclear (October 2011)
Juan de Dios Guevara Low Start2 July 2010... (July 2010, July 2010)
Lars Walløe Low Start4 October 2011... (October 2011, October 2011), BLP articles lacking sources (March 2015), Accuracy disputes (March 2015)
Lattice energy High Start2 January 2013... (January 2013, January 2013)
List of chemistry mnemonics Low List4 January 2012... (January 2012, January 2012), Reliable references lacking (January 2012), URL error
List of food additives Mid List4 March 2010... (March 2010, March 2010), Reliable references lacking (August 2014), Links needing disambiguation (May 2016)
Maria Bakunin Low Stub2 November 2009... (November 2009, November 2009)
Mark Spitler Low Stub4 May 2017... (May 2017), Close paraphrasing (May 2017), Orphaned (June 2017), Wikilinks needed (June 2017)
Microscale chemistry Mid Start1 August 2014... (August 2014)
Molecule editor Low List2 August 2013... (August 2013), List cleanup (August 2013)
Neal Amundson Low Start4 November 2010References needed (November 2010), Unsourced statements (November 2010), ... (November 2010, November 2010)
Noble gas compound Mid C9 January 2015... (January 2015, January 2015), References needed (January 2015), Expansion needed (January 2015), Reliable references lacking (January 2015), Unsourced statements (January 2015), Weasel-worded phrases (January 2015), Vague or ambiguous time (January 2015), Factual verification needed (January 2015)
Open shell High Start2 November 2010... (November 2010, November 2010)
Osmotic dehydration Low Stub4 June 2009Expert attention needed (June 2009), ... (June 2009, June 2009)
Oxo Biodegradable Low Start4 January 2014... (January 2014, January 2014), NPOV disputes (March 2014), Accuracy disputes (June 2014)
Perfluorinated compound Mid List5 2010Potentially dated statements (2010), References needed (August 2015), ... (September 2015), Prose needed (September 2015), Merge needed (February 2016)
Peter Goodhew Low Stub2 September 2010... (September 2010, September 2010)
Phase-boundary catalysis Low Stub4 August 2008Expert attention needed (February 2009), ... (August 2008, August 2008)
Polyethylene High B2 September 2012... (September 2012, September 2012)
PubChem Low Start3 January 2009References needed (January 2009), ... (November 2009, November 2009)
Quantum chemistry Top C3 January 2011... (January 2011, January 2011), In-text citations lacking (December 2012)
Retention distance Low Stub5 September 2008... (September 2008, September 2008), Expert attention needed (June 2012), Too technical (June 2012)
Ring expansion and ring contraction Mid Stub3 December 2014... (April 2015, April 2015), Reliable references lacking (December 2014)
Roy A. Periana Low Start4 July 2012Vague or ambiguous time (July 2012), ... (July 2012), Prose needed (July 2012), Promotional tone (August 2014)
Schrödinger equation High B4 January 2014Unsourced statements (September 2015, January 2014), Prose needed (October 2016), ... (October 2016)
Smouldering Low C3 February 2009Prose needed (February 2009), ... (February 2009), Unsourced statements (January 2015)
Solution Top C2 June 2014... (June 2014), Prose needed (June 2014)
Spectroscopy Top B4 April 2016Citation with format and no URL, References needed (April 2016), ... (April 2016), Prose needed (April 2016)
Surfactant Mid C5 January 2011Unsourced statements (January 2011, April 2016), ... (August 2013), Prose needed (August 2013), CS1 errors: external links
Suzanne Fortier Low Stub1 September 2014... (September 2014)
Theoretical chemistry High Start2 January 2011... (January 2011, January 2011)
Thermal desorption Low Start2 December 2008... (December 2008, December 2008)
Titanium Beta C Low Stub3 August 2012... (August 2012), References needed (August 2012), Prose needed (August 2012)
Transition metal High Start2 August 2013... (August 2013, August 2013)
Vacuum distillation Low C5 February 2015References needed (February 2015), Reliable references lacking (February 2015), Expansion needed (February 2015), ... (February 2015, February 2015)

Coordinates needed (8)

ArticleImportanceClassCount OldestIssues
Alexander Butlerov Chemistry Institute Low Start4 May 2017In-text citations lacking (May 2017), Reliable references lacking (May 2017), Categories needed (May 2017)
Arizona Accelerator Mass Spectrometry Laboratory Low Start1
Center for Nanotechnology in Society Low Start1
College of Chemical Sciences Low Stub4 June 2011References needed (June 2011), Conflict of interest (June 2011), Wikilinks needed (January 2015)
Loker Hydrocarbon Research Institute Low Stub3 February 2015References needed (February 2015), Notability unclear (February 2015)
Mușenița gas field Low Stub1
Pâncota oil field Low Stub1
University of Edinburgh School of Chemistry Low Start3 April 2013References needed (April 2013), Unsourced statements (May 2015)

Copy edit needed (6)

ArticleImportanceClassCount OldestIssues
Cuvette Low Start1 July 2017... (July 2017)
Metal-organic framework Mid B3 February 2014Clarification needed (February 2014), ... (September 2017), Weasel-worded phrases (September 2017)
Nuclear isomer Mid C3 August 2009Unsourced statements (August 2009), CS1 errors: dates, ... (March 2017)
Pekka Pyykkö Low Stub2 June 2017... (June 2017), Notability unclear (June 2017)
Pyramidal carbocation Low Stub4 February 2017Expert attention needed (February 2017), ... (February 2017), Too technical (February 2017)
Smart cosubstrate Low Start3 February 2017Orphaned (February 2017), ... (February 2017), Clarification needed (June 2017)

Expansion needed (100)

ArticleImportanceClassCount OldestIssues
Adolf Windaus Mid Start3 September 2011Unsourced statements (September 2011, August 2017), ... (December 2012)
Alcohol powder Low Start4 April 2014Unsourced statements (February 2016), ... (April 2014), Update needed (February 2016, August 2016)
Alexander Butlerov High Stub1 April 2011... (April 2011)
Alkane Top B8 April 2007Unsourced statements (April 2007, December 2016), References needed (July 2015, August 2014, July 2014), ... (August 2014, September 2017), Clarification needed (December 2016)
Alkylpyrazine Low Stub1 April 2016... (April 2016)
Allotropy Low C1 May 2009... (May 2009)
Amalgam (chemistry) Mid Start3 August 2012Introduction cleanup (August 2012), ... (September 2017), References needed (September 2017)
Analytical chemistry Top C4 March 2013Unsourced statements (March 2013, April 2016), Page number citations needed (January 2014), ... (April 2016)
Anodizing Mid Start2 March 2009... (March 2009), Unsourced statements (November 2015)
Aromaticity High B6 January 2014Reliable references lacking (April 2015), Factual verification needed (January 2014, October 2014, April 2015), Unsourced statements (June 2016), ... (April 2015)
Arrow poison Mid C1 March 2014... (March 2014)
Azadipyrromethene Low Stub2 April 2016... (April 2016), Orphaned (April 2016)
Behavior of nuclear fuel during a reactor accident Low C5 May 2013... (May 2013), Citation with bare URL, Citation lacking title, Dead external links (May 2016, October 2016)
Biomonitoring Mid C7 April 2012Page number citations needed (April 2012), Unsourced statements (April 2016), CS1 errors: chapter ignored, ... (April 2016), Limited geographic scope (April 2016), Reliable references lacking (April 2016), Vague or ambiguous geographic scope (April 2016)
Bridged compounds Mid Stub8 June 2006References needed (June 2006, March 2016), Expert attention needed (February 2016), In-text citations lacking (February 2016), ... (March 2016), Cleanup needed (March 2016), List cleanup (March 2016)
Carbon-based life Mid Start5 March 2015References needed (March 2015), CS1 errors: dates, Unsourced statements (March 2015, April 2015), ... (August 2015)
Carl Duisberg Low Start1 May 2014... (May 2014)
Caroline Langat Thoruwa Low Stub2 September 2016... (September 2016), Orphaned (September 2016)
Catalytic reforming Mid C2 May 2014Unsourced statements (May 2014), ... (June 2014)
Center for Computational Chemistry Low Stub2 February 2009Reliable references lacking (February 2009), ... (April 2014)
Chalcogen Mid C5 September 2014Unsourced statements (September 2014, August 2017), ... (September 2014, August 2016), Disputed statements (September 2014)
Charge transfer coefficient Low Start2 October 2011... (October 2011), Unsourced statements (July 2017)
Chemical hazard Mid Start1 June 2017... (June 2017)
Chemurgy Low Start1 September 2008... (September 2008)
Chloride High Start2 March 2012Unsourced statements (March 2012), ... (March 2016)
Christopher Spencer Foote Low Start1 December 2010... (December 2010)
Classical element Mid C4 May 2009References needed (May 2009), Unsourced statements (October 2013, December 2016), ... (December 2016)
Clyde cancer cluster Low Start8 December 2015CS1 errors: dates, References needed (December 2015), ... (January 2016), Reliable references lacking (December 2015), CS1 errors: external links, NPOV disputes (January 2016), Accuracy disputes (January 2016), Rewrite needed (January 2016)
Coal gas Low C3 October 2007References needed (June 2009), ... (October 2007), Clarification needed (February 2014)
Combinatorial chemistry Top Start4 November 2012Unsourced statements (November 2012, June 2014), ... (June 2014), NPOV disputes (June 2014)
Combustion High C4 July 2016Disputed statements (July 2016), Accuracy disputes (July 2016), References needed (January 2017), ... (April 2017)
Condensation reaction High Start7 March 2017Cleanup needed (March 2017, March 2017), Unsourced statements (March 2017), List cleanup (March 2017), References needed (March 2017, April 2017), ... (March 2017)
Condenser (laboratory) High B4 February 2015Unsourced statements (February 2015), References needed (February 2015), Reliable references lacking (February 2015), ... (February 2015)
Cornforth rearrangement Low Stub2 July 2015Unsourced statements (October 2015), ... (July 2015)
Cracking (chemistry) High B3 April 2015References needed (April 2015), Unsourced statements (April 2015), ... (April 2015)
Cyclic compound High Start13 April 2015Expert attention needed (April 2015), Reliable references lacking (April 2015), ... (June 2015, April 2015), References needed (April 2015, June 2015), Unsourced statements (April 2015, June 2015), Clarification needed (April 2015), Page number citations needed (April 2015, June 2015), Factual verification needed (April 2015)
Detergent Mid Start1 January 2015... (January 2015)
Dishwasher detergent Mid C3 July 2011Unsourced statements (July 2011, March 2016), ... (May 2017)
Dishwashing liquid Mid C2 January 2015... (January 2015), Citation with accessdate and no URL
Enniatin Low Stub2 June 2011Unsourced statements (June 2011), ... (October 2015)
Enol High C8 October 2010Unsourced statements (October 2010, July 2015), Clarification needed (October 2010, July 2015), References needed (July 2015), ... (July 2015), Reliable references lacking (July 2015), Disputed statements (July 2015)
Ethylmercury Low Start5 February 2017... (February 2017), Disputed statements (February 2017), Update needed (February 2017), Factual verification needed (February 2017), Unsourced statements (February 2017)
Gaseous signaling molecules High B5 September 2013Unsourced statements (September 2013, February 2014), Weasel-worded phrases (September 2013), ... (March 2016), DOIs inactive (2017)
Glossary of chemistry terms Mid Start1 January 2010... (January 2010)
Group 11 element Low Start2 February 2012... (February 2012), References needed (April 2013)
Hans von Euler-Chelpin Mid Stub2 December 2012... (December 2012), Unsourced statements (August 2017)
Headspace Gas Chromatography for Dissolved Gas Measurement Mid C4 December 2014... (December 2014), Introduction cleanup (December 2014), Orphaned (December 2014), Context needed (December 2014)
Heat capacity ratio Low Start1 June 2008... (June 2008)
Herbal distillate Low Start2 May 2010Unsourced statements (May 2010), ... (April 2016)
Herbicide High C12 1992Potentially dated statements (1992), References needed (August 2011), Unsourced statements (August 2011, June 2014, January 2015, May 2017), Weasel-worded phrases (July 2010, December 2012), Page number citations needed (January 2013), CS1 errors: dates, ... (December 2015), Viewpoints needed (October 2015)
History of the Haber process Mid C1 September 2011... (September 2011)
Howard Ensign Simmons Jr. Low Stub1 February 2016... (February 2016)
Intermolecular force Top Start2 September 2009... (September 2009), Unsourced statements (July 2012)
International Programme on Chemical Safety Low Stub1 May 2010... (May 2010)
Italian Chemical Society Low Stub1 February 2015... (February 2015)
Joanna Fowler Mid Start5 November 2012... (December 2012), BLP articles lacking sources (November 2012), In-text citations lacking (November 2012), Citation with bare URL, Citation lacking title
Judd–Ofelt theory Mid Stub4 November 2015Expert attention needed (November 2015), ... (November 2015), Orphaned (November 2015)
Lubrication Low Start1 October 2014... (October 2014)
Maria C. Tamargo Low Stub3 February 2009Orphaned (February 2009), BLP articles lacking sources (June 2013), ... (August 2017)
Melamine foam Low Start8 January 2016Unsourced statements (May 2016), ... (May 2016), Vague or ambiguous time (May 2016, January 2016), References needed (May 2016), Reliable references lacking (May 2016), Weasel-worded phrases (May 2016), Clarification needed (May 2016)
Molecular gyroscope Mid C1 October 2014... (October 2014)
Natural refrigerant Low Stub2 October 2016... (October 2016), References needed (January 2017)
Noble gas compound Mid C9 January 2015Cleanup needed (January 2015, January 2015), References needed (January 2015), ... (January 2015), Reliable references lacking (January 2015), Unsourced statements (January 2015), Weasel-worded phrases (January 2015), Vague or ambiguous time (January 2015), Factual verification needed (January 2015)
Non-stoichiometric compound High C3 July 2015Detailed references needed, Unsourced statements (July 2015), ... (July 2015)
Optical contact bonding Low Start2 December 2009... (December 2009), Dead external links (December 2016)
Orders of magnitude (molar concentration) Low List1 April 2017... (April 2017)
Oxygen scavenger Mid C2 July 2014CS1 errors: dates, ... (July 2014)
Pasteur pipette Low Start1 June 2017... (June 2017)
Petrus Jacobus Kipp Mid Start1 November 2015... (November 2015)
Phosphorus halide Mid Start2 November 2008Unsourced statements (November 2008), ... (July 2010)
Photochromic lens Low Start1 January 2011... (January 2011)
Photofragment-ion imaging Mid Start2 April 2017Citation lacking title, ... (April 2017)
Phthalate Mid Start3 September 2008Unsourced statements (September 2008, February 2016), ... (December 2009)
Physical chemistry Top C4 February 2007Unsourced statements (February 2007, February 2013), ... (January 2017), Introduction cleanup (January 2017)
Physical organic chemistry High Start7 June 2015... (June 2015), Unsourced statements (June 2015), Reliable references lacking (June 2015), Clarification needed (June 2015), Factual verification needed (June 2015), Page number citations needed (June 2015), References lacking (June 2015)
Plutonium carbide Low Stub1 June 2015... (June 2015)
Polymer brush Low Start3 December 2009References needed (December 2009), ... (March 2013), Citation lacking title
Polyol Mid Start5 August 2015Expert attention needed (August 2015), Original research (August 2015), ... (August 2015), Accuracy disputes (August 2015)
Positive pressure personnel suit Low Start3 December 2011... (December 2011), Dead external links (March 2017), References needed (August 2017)
Pyridinecarboxylic acids Low Stub1 July 2017... (July 2017)
Pyrromethene Low Stub2 April 2016... (April 2016), Orphaned (April 2016)
Qualitative inorganic analysis High Start3 February 2013References needed (February 2013), ... (October 2014), Clarification needed (February 2016)
Rare sugar Low Stub2 July 2014Sources lacking (July 2014), ... (September 2015)
Römpp Encyclopedia Natural Products Mid Stub1 August 2015... (August 2015)
Selenonic acid Low Stub2 April 2017References needed (April 2017), ... (April 2017)
Silanes Low Start1 April 2013... (April 2013)
Silanization Low Stub3 July 2007References needed (July 2007), ... (August 2008, January 2011)
Siloxane Mid Start1 April 2015... (April 2015)
Single bond High Start2 July 2012... (July 2012), References needed (August 2012)
Sodium fusion test Low Stub1 August 2016... (August 2016)
Soft chemistry Low Start3 April 2010Original research (April 2010), ... (May 2010), Orphaned (September 2010)
Solid-phase synthesis Mid Stub4 June 2014Expert attention needed (June 2014), ... (June 2014), Sources lacking (June 2014)
Solvation High Start4 June 2015... (June 2015), Context needed (June 2015), Reliable references lacking (June 2015), Unsourced statements (August 2017)
Spiro compound Mid C10 January 2016Unsourced statements (February 2016), Citation with format and no URL, Merge needed (January 2016), References needed (February 2016), Reliable references lacking (February 2016), ... (February 2016), Self-contradictory articles (February 2016), Clarification needed (February 2016), Factual verification needed (February 2016, March 2016)
Steroid Mid C9 May 2014Expert attention needed (March 2017), Page number citations needed (May 2014), Reliable references lacking (July 2014, March 2017), Reference errors, Unsourced statements (March 2017), Factual verification needed (March 2017), ... (March 2017)
Substituted phenethylamine Low Start3 August 2014Unsourced statements (February 2016), References needed (August 2014), ... (December 2015)
Superaromaticity Mid Stub1 August 2015... (August 2015)
Thermonuclear weapon Mid C9 September 2009... (September 2009), References needed (August 2013, December 2015), In-text citations lacking (August 2013), Reliable references lacking (October 2014, December 2016), Unsourced statements (January 2016, September 2017), Clarification needed (June 2017)
Vacuum distillation Low C5 February 2015References needed (February 2015), Reliable references lacking (February 2015), ... (February 2015), Cleanup needed (February 2015, February 2015)
X-ray absorption spectroscopy Low Start3 February 2012Unsourced statements (February 2012), References needed (February 2015), ... (July 2017)

Incomplete lists (15)

ArticleImportanceClassCount OldestIssues
Base anhydride High Stub1 January 2014... (January 2014)
Glenn T. Seaborg bibliography Low List2 November 2012References needed (November 2012), ... (November 2012)
Inorganic compounds by element Low List1 August 2008... (August 2008)
List of Russian chemists Mid List1 February 2011... (February 2011)
List of alchemical substances Low List2 August 2008... (August 2008), References needed (August 2016)
List of blue plaques erected by the Royal Society of Chemistry Low List1 January 2015... (January 2015)
List of coffee chemicals Low List2 June 2014Orphaned (June 2014), ... (September 2016)
List of named inorganic compounds Low List1 June 2015... (June 2015)
List of photochemists Low List1 October 2013... (October 2013)
List of phytochemicals in food Low List1 August 2008... (August 2008)
List of scientific constants named after people Low List1 May 2012... (May 2012)
Nina Fedoroff Low Start1 December 2016... (December 2016)
Polymer chemistry Mid Start1 July 2012... (July 2012)
Pseudohalogen Mid Stub1 September 2014... (September 2014)
Table of naturally occurring tryptamines Low List2 August 2008... (August 2008), References needed (November 2014)

Introduction cleanup (52)

ArticleImportanceClassCount OldestIssues
Ab initio quantum chemistry methods Mid C2 October 2013Unsourced statements (October 2013), ... (March 2015)
Adam S. Veige Low Start2 January 2012... (January 2012), Orphaned (December 2012)
Amalgam (chemistry) Mid Start3 August 2012... (August 2012), Expansion needed (September 2017), References needed (September 2017)
Atoms in molecules Mid Start2 July 2017Context needed (July 2017), ... (July 2017)
Ballistic conduction in single-walled carbon nanotubes Low Start5 April 2011Expert attention needed (May 2011), ... (April 2011, May 2014), Context needed (April 2011)
Bancroft rule Mid Start3 October 2009Sources lacking (December 2009), ... (October 2009), Context needed (October 2009)
CDw17 antigen Low Stub2 March 2009... (March 2009), Context needed (March 2009)
Chemical industry Mid Start7 June 2008References needed (June 2008), Unsourced statements (June 2008, May 2010, May 2016), Weasel-worded phrases (November 2010), ... (December 2015), Citation with accessdate and no URL
Chlorographene Low Start3 November 2012... (November 2012), Context needed (November 2012), Clarification needed (May 2015)
Chromatography in blood processing Low Start4 September 2008In-text citations lacking (April 2009, September 2008), Original research (September 2008), ... (April 2013)
Extraction (chemistry) Mid Start5 May 2011References needed (May 2011), Cleanup needed (May 2014, May 2014, June 2015), ... (May 2014)
FreeON Low Stub3 June 2010... (June 2010), Context needed (June 2010), Orphaned (January 2011)
GM3 Low Stub2 August 2014... (August 2014), Context needed (August 2014)
Giridhar Madras Low Start3 November 2016Unsourced statements (November 2016), ... (November 2016), BLP articles lacking sources (November 2016)
Headspace Gas Chromatography for Dissolved Gas Measurement Mid C4 December 2014Expansion needed (December 2014), ... (December 2014), Orphaned (December 2014), Context needed (December 2014)
Hermetic seal Low Start4 November 2011Expert attention needed (December 2011), ... (December 2011, November 2011)
Heteroatom Low Stub2 April 2016... (April 2016), Context needed (April 2016)
History of graphene Low C3 September 2010Unsourced statements (September 2010), Dead external links (April 2016), ... (September 2017)
Immobilized pH gradient Low Stub2 October 2009... (October 2009), Context needed (October 2009)
Intrinsic Noise Analyzer Low Stub5 July 2012Expert attention needed (July 2012), Context needed (July 2012), ... (July 2012), References needed (July 2012)
Job plot Low Start2 October 2009... (October 2009), Context needed (October 2009)
Johann Rudolf Glauber Mid Start1 November 2016... (November 2016)
Joseph J. Katz Mid Start3 September 2012... (September 2012), Reference cleanup (September 2012), In-text citations lacking (November 2014)
Laminin 111 Low Start2 November 2012... (November 2012), Links needing disambiguation (March 2017)
Molecular probe Low Stub2 October 2009... (October 2009), Context needed (October 2009)
Molten-salt battery Low C6 July 2009Unsourced statements (July 2009, December 2014, January 2015, June 2016), ... (May 2015), Reliable references lacking (August 2016)
Narrow-range ethoxylate Mid Start5 July 2009... (July 2009), Context needed (July 2009), Expert attention needed (September 2012), Merge needed (September 2017)
Nik operon Low Start4 November 2013Reliable references lacking (December 2013), Orphaned (November 2013), Notability unclear (December 2013), ... (December 2013)
Non-linear effects Low C4 December 2012Expert attention needed (June 2014), ... (December 2012), Too technical (June 2014)
Organic molecular tracers Low Start6 December 2009Expert attention needed (December 2009), ... (December 2009), Context needed (December 2009), Orphaned (April 2010), Too technical (December 2009)
Organostannane addition Mid C2 June 2010... (June 2010), Context needed (June 2010)
Paper chemicals Low Start2 September 2015References needed (September 2015), ... (September 2015)
Phase-change material Low Start4 September 2012... (September 2012), Citation with bare URL, Citation lacking title, CS1 errors: invisible characters
Physical chemistry Top C4 February 2007Unsourced statements (February 2007, February 2013), Expansion needed (January 2017), ... (January 2017)
Platinum black Low C2 March 2014Unsourced statements (March 2014), ... (March 2014)
Preferential alignment Low Stub4 January 2009Sources lacking (January 2009), ... (October 2009), Context needed (October 2009), Unsourced statements (December 2016)
Reagent High Start2 July 2017... (July 2017), Sections needed (July 2017)
Sequential structure alignment program Low Stub2 November 2009Context needed (November 2009), ... (November 2009)
Sequential walking Low Stub3 October 2009Sources lacking (December 2009), ... (October 2009), Context needed (October 2009)
Silanization of silicon and mica Low Start4 August 2012Expert attention needed (August 2012), ... (August 2012), Too technical (August 2012)
Smart polymer Low Stub4 September 2009Expert attention needed (September 2009), References needed (March 2013), ... (March 2013)
Solid phase extraction Low Start1 May 2014... (May 2014)
Stability constants of complexes High C2 February 2015... (February 2015), Context needed (February 2015)
Staggered conformation Low Stub2 March 2011... (March 2011), Context needed (March 2011)
Steric exclusion Low Stub2 March 2011... (March 2011), Context needed (March 2011)
Tetraanthraporphyrin Low Start4 February 2014Unsourced statements (February 2014), ... (February 2014), Weasel-worded phrases (February 2014), Context needed (February 2014)
Thermodynamics of micellization Low C5 June 2012Expert attention needed (June 2012), Context needed (June 2012), ... (June 2012), Too technical (June 2012)
Valerie Ashby Low Start4 April 2016... (April 2016), Promotional tone (April 2016), Reliable references lacking (April 2016), BLP articles lacking sources (August 2016)
Water softening Mid Start2 March 2015Unsourced statements (March 2015), ... (November 2016)
X-ray Photon Correlation Spectroscopy Low Stub6 August 2017Expert attention needed (August 2017), Context needed (August 2017), ... (August 2017), Reorganization needed (August 2017), Too technical (August 2017)
ZACA reaction Low Stub3 March 2017Citation lacking title, Context needed (March 2017), ... (March 2017)
Σ-bishomoaromaticity Low Stub2 June 2017... (June 2017), Context needed (June 2017)

List cleanup (5)

ArticleImportanceClassCount OldestIssues
Breakthrough of the Year Low List4 December 2012Unsourced statements (December 2012), Cleanup needed (December 2016), Tables needed (December 2016), ... (December 2016)
Bridged compounds Mid Stub8 June 2006References needed (June 2006, March 2016), Expert attention needed (February 2016), In-text citations lacking (February 2016), Expansion needed (March 2016), Cleanup needed (March 2016), ... (March 2016)
Condensation reaction High Start7 March 2017Cleanup needed (March 2017, March 2017), Unsourced statements (March 2017), ... (March 2017), References needed (March 2017, April 2017), Expansion needed (March 2017)
Fluorophore Mid Start2 February 2016Cleanup needed (February 2016), ... (February 2016)
Molecule editor Low List2 August 2013Cleanup needed (August 2013), ... (August 2013)

Merge needed (43)

ArticleImportanceClassCount OldestIssues
17-4 stainless steel Low Stub2 September 2016Notability unclear (September 2016), ... (September 2016)
440C Low Stub2 August 2013References needed (August 2013), ... (September 2016)
Acidic oxide High Stub2 March 2015Clarification needed (March 2015), ... (June 2017)
Biological hazard High Start1 January 2016... (January 2016)
Chemical bonding of H2O Mid Start1 May 2017... (May 2017)
Chemical transformation Low Stub2 December 2009Sources lacking (December 2009), ... (December 2016)
Collins oxidation Mid Stub1 June 2016... (June 2016)
Discovery and development of nucleoside and nucleotide reverse-transcriptase inhibitors High C1 August 2016... (August 2016)
Dissolution (chemistry) High Start11 December 2009Reliable references lacking (December 2009), Expert attention needed (June 2015), Unsourced statements (June 2015), References needed (June 2015), Weasel-worded phrases (June 2015), Cleanup needed (June 2015, June 2015), Disputed statements (June 2015), Clarification needed (June 2015), ... (December 2016)
Fiberglass Low C2 May 2017... (May 2017), References needed (May 2017)
Fluorocarbon Mid Start3 February 2016Citation lacking title, ... (February 2016), Unsourced statements (May 2017)
Hard-surface cleaner Low Stub1 August 2017... (August 2017)
Hazard symbol High Start1 January 2016... (January 2016)
Hoechst stain Low C4 September 2011Unsourced statements (September 2011, January 2015, July 2015), ... (September 2016)
Inorganic anhydride Mid Stub2 June 2017Sources lacking (June 2017), ... (June 2017)
Iodane Mid C1 September 2017... (September 2017)
Ionic compound High GA1 June 2017... (June 2017)
Metal aquo complex Mid Start1 June 2017... (June 2017)
Metal ions in aqueous solution High C1 June 2017... (June 2017)
Metallic microlattice High Start1 October 2015... (October 2015)
Multiplicity (chemistry) Low Stub1 September 2016... (September 2016)
Narrow-range ethoxylate Mid Start5 July 2009Introduction cleanup (July 2009), Context needed (July 2009), Expert attention needed (September 2012), ... (September 2017)
Parkesine Low Stub1 May 2017... (May 2017)
Particle segregation Low Start2 August 2011References needed (August 2011), ... (March 2017)
Perfluorinated compound Mid List5 2010Potentially dated statements (2010), References needed (August 2015), Cleanup needed (September 2015), Prose needed (September 2015), ... (February 2016)
Periodinane Mid C1 September 2017... (September 2017)
Polycide Low Stub2 December 2009Sources lacking (December 2009), ... (April 2017)
Pozzolanic activity Low Start2 September 2012In-text citations lacking (September 2012), ... (October 2016)
Pozzolanic reaction Low Start1 October 2016... (October 2016)
Quantemol-DB Low Start7 April 2017Conflict of interest (April 2017), Peacock terms (April 2017), Reference cleanup (April 2017), Unsourced statements (July 2017), ... (July 2017), Weasel-worded phrases (July 2017), Clarification needed (July 2017)
Rayon Low C5 March 2008Unsourced statements (March 2008, May 2016, June 2016, April 2017), ... (July 2017)
Revista Brasileira de Engenharia, Caderno de Engenharia Química Low Stub2 July 2015Notability unclear (July 2015), ... (February 2016)
SAE steel grades Low Start2 April 2012Unsourced statements (April 2012), ... (September 2016)
Salt (chemistry) High Start1 June 2017... (June 2017)
Saturated and unsaturated compounds High Start1 September 2016... (September 2016)
Semi-rigid molecule Mid Start2 December 2010In-text citations lacking (December 2010), ... (May 2017)
Spiro compound Mid C10 January 2016Unsourced statements (February 2016), Citation with format and no URL, ... (January 2016), References needed (February 2016), Reliable references lacking (February 2016), Expansion needed (February 2016), Self-contradictory articles (February 2016), Clarification needed (February 2016), Factual verification needed (February 2016, March 2016)
Spiroaromaticity Low Stub2 October 2015... (January 2016), Sources lacking (October 2015)
Surface chemistry of paper Low C1 September 2015... (September 2015)
Tetramethyl acetyloctahydronaphthalenes Low Start2 March 2015... (March 2016), Orphaned (March 2015)
Tube-based nanostructures Low Start2 December 2013Orphaned (December 2013), ... (October 2015)
Unsaturated hydrocarbon Mid Stub2 December 2009Sources lacking (December 2009), ... (September 2016)
Young–Laplace equation High Start2 April 2012Weasel-worded phrases (April 2012), ... (August 2017)

Notability unclear (58)

ArticleImportanceClassCount OldestIssues
17-4 stainless steel Low Stub2 September 2016... (September 2016), Merge needed (September 2016)
Al-Ca composite Low Start1 August 2017... (August 2017)
Anais da Associação Brasileira de Química Low Stub2 July 2015... (July 2015), Sources lacking (October 2016)
Anticrystal Low Stub2 July 2014References needed (July 2014), ... (August 2017)
Aron Kuppermann Low Stub1 January 2011... (January 2011)
Australasian Corrosion Association Low Stub2 April 2017... (April 2017), References needed (July 2017)
BKChem Low Stub3 August 2011Reliable references lacking (August 2011), Weasel-worded phrases (January 2014), ... (May 2015)
Calibration gas Low Stub2 June 2013References needed (June 2013), ... (June 2013)
Charles E. Wicks Low Start2 July 2010References needed (July 2010), ... (July 2010)
ChemPubSoc Europe Low Start1 March 2015... (March 2015)
Chemtool Low Stub2 August 2011... (August 2011), Reliable references lacking (August 2011)
Conductive characteristics in coated synthetic fabrics Low Stub3 October 2010References needed (December 2011), ... (December 2011), Orphaned (October 2010)
Dalton (program) Low Stub1 March 2016... (March 2016)
Debra R. Rolison Low Start2 June 2017Orphaned (June 2017), ... (June 2017)
EOn Low Stub1 October 2012... (October 2012)
Elizabeth Hardy (chemist) Low Stub1 June 2017... (June 2017)
Flamelet generated manifold Low Stub5 August 2014References needed (August 2014), Clarification needed (November 2015), ... (November 2015), Conflict of interest (November 2015), Disputed statements (November 2015)
Flory–Schulz distribution Low Stub1 March 2013... (March 2013)
HORTON (software) Low Stub3 June 2015Sources lacking (June 2015), ... (June 2015), Promotional tone (June 2015)
Instrumentation in petrochemical industries Mid C1 November 2009... (November 2009)
International Year of Crystallography Low Stub3 January 2014... (January 2014), References needed (January 2014), CS1 errors: external links
Isofuran Low Stub1 September 2016... (September 2016)
Jaguar (software) Low Stub2 October 2013... (October 2013), Promotional tone (October 2013)
Jahres-Bericht über die Fortschritte der chemischen Technologie für Fabrikanten, Chemiker, Pharmaceuten, Hütten- und Forstleute und Cameralisten Low Stub4 October 2013Wikilinks needed (December 2013), Orphaned (October 2013), ... (September 2016), Sources lacking (September 2016)
Jeehiun Lee Low Stub4 February 2009Orphaned (February 2009), BLP articles lacking sources (November 2012), Reliable references lacking (November 2012), ... (November 2012)
John H. Seinfeld Low Stub5 July 2009Style editing needed (July 2009), Cleanup needed (July 2009, July 2009), BLP articles lacking sources (October 2011), ... (October 2011)
Karen Goldberg Low Start2 June 2017Orphaned (June 2017), ... (June 2017)
Kintech Lab Low Start2 September 2009... (September 2009), References needed (September 2009)
Ligand dependent pathway Low Stub2 January 2012Sources lacking (January 2012), ... (January 2012)
Linus Pauling Award Low List1 January 2016... (January 2016)
List of gasoline additives Mid List1 August 2012... (August 2012)
List of inorganic reactions Mid List2 September 2011Sources lacking (September 2011), ... (September 2011)
Loker Hydrocarbon Research Institute Low Stub3 February 2015Coordinates needed, References needed (February 2015), ... (February 2015)
MOLCAS Low Start2 November 2012Reliable references lacking (November 2012), ... (November 2012)
Maurizio Prato (scientist) Low Start2 October 2016Conflict of interest (October 2016), ... (October 2016)
Molbank Low Stub1 August 2016... (August 2016)
Molden Low Stub2 April 2012Reliable references lacking (April 2012), ... (April 2012)
Molekel Low Stub2 April 2012Reliable references lacking (April 2012), ... (April 2012)
Morten P. Meldal Low Start2 March 2009... (March 2009), Autobiographical articles (November 2013)
Nickel(II) precatalysts Low Start2 May 2017Reliable references lacking (May 2017), ... (August 2017)
Nik operon Low Start4 November 2013Reliable references lacking (December 2013), Orphaned (November 2013), ... (December 2013), Introduction cleanup (December 2013)
Noel L. Owen Low Stub1 January 2010... (January 2010)
OLI Analyzer Low Stub2 April 2009... (April 2009), Orphaned (January 2011)
Oseltamivir total synthesis Low B1 May 2017... (May 2017)
PJ1 TrackBite Low Start4 February 2009References needed (February 2009), Unsourced statements (April 2010), Reliable references lacking (October 2015), ... (October 2015)
PRO/II Low Stub2 August 2009... (August 2009), Promotional tone (January 2012)
PSI (computational chemistry) Low Stub2 April 2011References needed (September 2014), ... (April 2011)
Pan Africa Chemistry Network Low Stub2 March 2015... (March 2015), Wikilinks needed (June 2016)
Pekka Pyykkö Low Stub2 June 2017Copy edit needed (June 2017), ... (June 2017)
R. Tom Baker Low Start1 June 2017... (June 2017)
Revista Brasileira de Engenharia, Caderno de Engenharia Química Low Stub2 July 2015... (July 2015), Merge needed (February 2016)
Revista Brasileira de Química Low Stub2 July 2015... (July 2015), Sources lacking (October 2016)
Rhondite Low Stub1 June 2009... (June 2009)
Salt extraction process Low Start1 January 2011... (January 2011)
SiGNa chemistry Low Stub1 April 2014... (April 2014)
Tullio Ilomets Low Start2 April 2017... (April 2017), BLP articles lacking sources (April 2017)
Water substance Low Stub2 June 2011... (June 2011), Sources lacking (June 2011)
XDrawChem Low Stub2 November 2012Reliable references lacking (November 2012), ... (November 2012)

Obsolete information (3)

ArticleImportanceClassCount OldestIssues
American Chemistry Council Low Start5 December 2008References needed (December 2008), Unsourced statements (October 2011), NPOV disputes (October 2011), Weasel-worded phrases (October 2011), ... (October 2011)
Peptide synthesis High C11 February 2013Unsourced statements (February 2013, November 2016), Weasel-worded phrases (November 2016), Vague or ambiguous time (November 2016), ... (November 2016), Update needed (November 2016), Reliable references lacking (November 2016), Original research (November 2016), Factual verification needed (November 2016), References needed (November 2016, June 2017)
Trans fat Mid B12 September 2010Unsourced statements (May 2014, September 2015, April 2013, June 2015, April 2017), Update needed (September 2010), Dead external links (December 2010, September 2017), ... (March 2012), Vague or ambiguous geographic scope (September 2012), Citation with format and no URL, Failed verification (March 2015)

Potentially dated statements (63)

ArticleImportanceClassCount OldestIssues
Aerogel High B2 May 2013... (2013), References needed (May 2013)
Aerographene Low Stub1 March 2013... (March 2013)
Anthocyanin Mid B1 2017... (2017)
Battery (electricity) Mid C6 December 2010... (2012, 2013), Unsourced statements (December 2010), References needed (April 2017), Dead external links (June 2017, July 2017)
Burkhard Rost Low Start5 2011... (2011), Unsourced statements (August 2013, February 2013, March 2015), Dead external links (November 2016)
Casomorphin Mid Stub2 August 2008References needed (August 2008), ... (2008)
Catalyst Science Discovery Centre Low C2 August 2015... (2015), Unsourced statements (August 2015)
Chemical Reviews Low Stub1 January 2015... (January 2015)
Chemical vapor deposition Mid C3 October 2010... (2010), Unsourced statements (October 2010, September 2011)
Chemical weapon Mid C6 July 2012Unsourced statements (July 2012, April 2017), ... (2015, 2016, June 2016), Limited geographic scope (December 2012)
Corticosteroid Low Start4 January 2010References needed (January 2010), ... (2010), Links needing disambiguation (June 2017), Disputed statements (July 2017)
Crystal High B3 1999... (1999), References needed (September 2016), Unsourced statements (June 2017)
Cyanoacrylate Mid C6 July 2013Unsourced statements (July 2013, September 2015, December 2015), ... (2013), Web citation with no URL, Dead external links (May 2016)
Debye–Hückel equation Mid B2 2007... (2007), Dead external links (December 2016)
Drano Low Start2 August 2015... (2016), Unsourced statements (August 2015)
Eleftheria Zeggini Mid Start1 2015... (2015)
Extended periodic table Low B6 April 2011Expert attention needed (December 2011), Unsourced statements (February 2012), ... (April 2011), Weasel-worded phrases (October 2011), Dead external links (October 2016)
Fraser Stoddart High C1 2016... (2016)
Frederick Sanger Mid B2 November 2013... (2015), Vague or ambiguous time (November 2013)
Fuel cell Mid B5 September 2010Unsourced statements (December 2011, July 2012), Dead external links (September 2010), ... (August 2011), Failed verification (February 2012)
Gloria Long Anderson Low Start1 2009... (2009)
Hazardous Substances Data Bank Low Stub1 November 2014... (November 2014)
Herbicide High C12 1992... (1992), References needed (August 2011), Unsourced statements (August 2011, June 2014, January 2015, May 2017), Weasel-worded phrases (July 2010, December 2012), Page number citations needed (January 2013), CS1 errors: dates, Expansion needed (December 2015), Viewpoints needed (October 2015)
High production volume chemicals Mid C2 2009... (2009), URL error
Hypothetical types of biochemistry Low Start4 1998... (1998), Unsourced statements (January 2012, February 2014), CS1 errors: external links
Inorganic Crystal Structure Database Low Stub1 2013... (2013)
John Boland (chemist) Low Stub1 2017... (2017)
John E. Walker Low Start2 October 2015Unsourced statements (October 2015), ... (2015)
Journal of Biological Chemistry Mid Start1 2017... (2017)
Justus von Liebig Top C1 2014... (2014)
Lithium-ion battery Low C11 June 2010Detailed references needed, ... (2017, January 2014), Disputed statements (June 2010), Unsourced statements (June 2014, September 2016), Dead external links (November 2015), Reliable references lacking (August 2014, November 2016), Failed verification (November 2013, December 2016)
Lodewijk van den Berg Low GA1 2014... (2014)
Methane clathrate Mid C5 September 2010Unsourced statements (September 2010, October 2011, February 2014, June 2017), ... (2013)
Mischmetal Low Start2 2007... (2007), In-text citations lacking (April 2012)
Mole (unit) Top C3 June 2011... (2011), Unsourced statements (June 2011, October 2016)
Molecular modeling on GPUs Mid Start1 2016... (2016)
Neonicotinoid Low C5 2013... (2013, 2014), Unsourced statements (March 2015), Vague or ambiguous geographic scope (March 2015), Clarification needed (September 2016)
Nickel–metal hydride battery Low C5 2005... (2005), References needed (July 2015), Clarification needed (January 2013), CS1 errors: dates, Unsourced statements (June 2015)
Nuclear magnetic resonance spectroscopy High B2 2003... (2003), In-text citations lacking (November 2016)
Organochloride High C1 2004... (2004)
Organofluorine chemistry Mid B1 2008... (2008)
Organogels Low Start1 2014... (2014)
Outline of physical science Low Start2 March 2014... (2014), Unsourced statements (March 2014)
Perfluorinated compound Mid List5 2010... (2010), References needed (August 2015), Cleanup needed (September 2015), Prose needed (September 2015), Merge needed (February 2016)
Preferred IUPAC name Mid Start2 May 2010... (May 2010), Update needed (September 2016)
Primordial nuclide Low Start1 2013... (2013)
Protein High GA3 October 2016... (2017), Split needed (October 2016), Dead external links (August 2017)
Registration, Evaluation, Authorisation and Restriction of Chemicals Low Start3 April 2012Detailed references needed, Unsourced statements (April 2012), ... (June 2015)
School of Chemistry, University of Manchester Low Start1 2015... (2015)
Shale oil extraction Low FA1 2010... (2010)
Sharon Hammes-Schiffer Mid Stub1 January 2015... (January 2015)
Society of Chemical Industry (American Section) Mid C1 2016... (2016)
Société de Chimie Industrielle (American Section) Low Start1 2016... (2016)
Steven V. Ley Mid Start3 December 2015... (2015), Unsourced statements (December 2015), Vague or ambiguous time (December 2015)
Superionic water Low Start1 2013... (2013)
Synthetic diamond Mid FA1 2012... (2012)
Tetrahedron (journal) Mid Start1 June 2013... (June 2013)
Tide (brand) Low Start3 January 2013Unsourced statements (September 2013), ... (January 2013), References needed (November 2016)
Toxic Substances Control Act of 1976 Mid Start5 July 2013Unsourced statements (July 2013, April 2016), ... (2015), Reference errors, Reliable references lacking (April 2016)
Unimolecular rectifier Low Start1 2012... (2012)
Vitamin D Mid B1 November 2010... (November 2010)
Water splitting Low C4 2005... (2005), Unsourced statements (February 2007), Citation with bare URL, Citation lacking title
Web of Science Low C1 September 2014... (September 2014)

Prose needed (13)

ArticleImportanceClassCount OldestIssues
Carbocyclic nucleoside Low C2 May 2016Cleanup needed (May 2016), ... (May 2016)
Chemical test Mid List3 February 2016Cleanup needed (February 2016), ... (February 2016), References needed (June 2017)
Cosmochemistry Low Start3 January 2017... (January 2017), Slanted towards recent events (January 2017), Cleanup needed (January 2017)
Gas chromatography ion detector Low Stub3 September 2008... (September 2008), Cleanup needed (September 2008), Sources lacking (June 2012)
Gas evolution reaction Low Stub3 December 2013Cleanup needed (December 2013), ... (December 2013), In-text citations lacking (June 2014)
Perfluorinated compound Mid List5 2010Potentially dated statements (2010), References needed (August 2015), Cleanup needed (September 2015), ... (September 2015), Merge needed (February 2016)
Roy A. Periana Low Start4 July 2012Vague or ambiguous time (July 2012), Cleanup needed (July 2012), ... (July 2012), Promotional tone (August 2014)
Schrödinger equation High B4 January 2014Unsourced statements (September 2015, January 2014), ... (October 2016), Cleanup needed (October 2016)
Smouldering Low C3 February 2009... (February 2009), Cleanup needed (February 2009), Unsourced statements (January 2015)
Solution Top C2 June 2014Cleanup needed (June 2014), ... (June 2014)
Spectroscopy Top B4 April 2016Citation with format and no URL, References needed (April 2016), Cleanup needed (April 2016), ... (April 2016)
Surfactant Mid C5 January 2011Unsourced statements (January 2011, April 2016), Cleanup needed (August 2013), ... (August 2013), CS1 errors: external links
Titanium Beta C Low Stub3 August 2012Cleanup needed (August 2012), References needed (August 2012), ... (August 2012)

Reorganization needed (3)

ArticleImportanceClassCount OldestIssues
Pyrotechnic composition Low List1 April 2017... (April 2017)
Soni Oyekan Low Stub1 May 2014... (May 2014)
X-ray Photon Correlation Spectroscopy Low Stub6 August 2017Expert attention needed (August 2017), Context needed (August 2017), Introduction cleanup (August 2017), ... (August 2017), Too technical (August 2017)

Split needed (2)

ArticleImportanceClassCount OldestIssues
Protein High GA3 October 2016Potentially dated statements (2017), ... (October 2016), Dead external links (August 2017)
Total organic carbon Mid Start6 January 2009References needed (January 2009, April 2012), Unsourced statements (April 2012, August 2013), Clarification needed (November 2016), ... (September 2017)

Style editing needed (32)

ArticleImportanceClassCount OldestIssues
CRESU experiment Low Start1 May 2015... (May 2015)
Copper-free click chemistry Low Start1 October 2011... (October 2011)
Creosote Low B8 October 2016Failed verification (October 2016), Unsourced statements (January 2017, February 2017), Weasel words (January 2017), ... (January 2017), Weasel-worded phrases (January 2017), Vague or ambiguous geographic scope (January 2017), Original research (January 2017)
Crystallographic image processing Low Start1 August 2016... (August 2016)
Diabatic Low C2 January 2011Clarification needed (January 2011), ... (April 2013)
Electroless nickel Mid Start1 May 2015... (May 2015)
Globally Harmonized System of Classification and Labelling of Chemicals Mid Start8 May 2008... (May 2008), In-text citations lacking (September 2013), CS1 errors: dates, Dead external links (September 2016), Vague or ambiguous time (February 2017), Unsourced statements (February 2017), Weasel-worded phrases (February 2017), References needed (February 2017)
Gravimetric analysis Mid Start1 September 2013... (September 2013)
Halogen bond Mid Start1 August 2013... (August 2013)
Hammett equation Mid Start11 June 2015Unsourced statements (June 2015), ... (June 2015), Update needed (June 2015), References needed (June 2015), Reliable references lacking (June 2015), Cleanup needed (June 2015, June 2015), Clarification needed (June 2015), Factual verification needed (June 2015), Page number citations needed (June 2015), References lacking (June 2015)
Inorganic compound High Start3 June 2014Unsourced statements (March 2016), ... (June 2014), Original research (June 2014)
John H. Seinfeld Low Stub5 July 2009... (July 2009), Cleanup needed (July 2009, July 2009), BLP articles lacking sources (October 2011), Notability unclear (October 2011)
Liquid metal Low Start4 April 2015Citation with format and no URL, References needed (April 2015), ... (April 2015), CS1 errors: external links
Matthew Linford Low Start4 April 2012BLP articles lacking sources (April 2012), ... (April 2012), External link cleanup (December 2012), Spam cleanup (December 2012)
Micellar liquid chromatography Low Start1 September 2008... (September 2008)
Monolithic HPLC column Low Start6 January 2011... (January 2011), Unsourced statements (April 2015), BLP articles lacking sources (June 2014), Original research (June 2014), Dead external links (April 2015), Reliable references lacking (September 2015)
Niosome Low Start2 August 2010... (August 2010), Copied and pasted articles and sections with url provided (October 2016)
Oxy-Cope rearrangement Mid C4 December 2015Expert attention needed (December 2015), ... (December 2015), Too technical (December 2015)
Particle size analysis Low Start2 January 2012Sources lacking (January 2012), ... (January 2012)
Patternation Low Start2 March 2014... (March 2014), Reference cleanup (March 2014)
Periodic systems of small molecules Low Start2 October 2010... (October 2010), Reliable references lacking (July 2011)
Periodic trends Mid C2 June 2007References needed (June 2007), ... (November 2015)
Phenol extraction Low Start3 April 2014Dead external links (April 2014), ... (April 2014), References needed (February 2015)
Polyolester Low Start2 July 2011Unsourced statements (July 2011), ... (July 2011)
Powder coating on glass Low Start3 February 2014... (February 2014), In-text citations lacking (February 2014), Orphaned (February 2014)
Safety data sheet High C2 February 2014Unsourced statements (February 2014), ... (March 2017)
Static fatigue Mid Start5 June 2017Orphaned (June 2017), Reliable references lacking (September 2017), Links needing disambiguation (July 2017), Categories needed (September 2017), ... (September 2017)
Substitution of dangerous chemicals Mid Stub2 April 2017In-text citations lacking (April 2017), ... (April 2017)
Symbiosis (chemical) Low Start2 September 2009... (September 2009), Conflict of interest (September 2009)
Uniaxial crystal Low Stub3 September 2009Sources lacking (September 2009), ... (September 2009), Clarification needed (September 2009)
Wet nanotechnology Low Start5 May 2012... (May 2012), Original research (May 2012), Citation with bare URL, Citation lacking title, Citation with accessdate and no URL
Wiswesser's rule Mid Stub4 February 2009Expert attention needed (February 2009), Sources lacking (July 2014), ... (November 2015)

Translation cleanup needed (1)

ArticleImportanceClassCount OldestIssues
Varrentrapp reaction Low Start3 July 2015Expert attention needed (July 2015)

Update needed (17)

ArticleImportanceClassCount OldestIssues
Alcohol powder Low Start4 April 2014Unsourced statements (February 2016), Expansion needed (April 2014), ... (February 2016, August 2016)
Asphalt Low C4 April 2011Unsourced statements (April 2011, January 2016), ... (June 2014), Clarification needed (June 2017)
CarbFix Low Start2 April 2016... (April 2016), Dead external links (November 2016)
Dan Shechtman High C4 October 2011Unsourced statements (October 2011, December 2014), Vague or ambiguous time (October 2011), ... (June 2014)
Depleted uranium Low B3 November 2011Unsourced statements (November 2011, April 2015), ... (August 2015)
Ethylmercury Low Start5 February 2017Expansion needed (February 2017), Disputed statements (February 2017), ... (February 2017), Factual verification needed (February 2017), Unsourced statements (February 2017)
Gasoline Mid B15 June 2009Clarification needed (June 2009, January 2015, July 2016, August 2016), Unsourced statements (September 2014, July 2014, April 2016, June 2015, August 2016, October 2016, May 2017), ... (April 2016), References needed (August 2016), Dead external links (January 2017, August 2017)
Hammett equation Mid Start11 June 2015Unsourced statements (June 2015), Style editing needed (June 2015), ... (June 2015), References needed (June 2015), Reliable references lacking (June 2015), Cleanup needed (June 2015, June 2015), Clarification needed (June 2015), Factual verification needed (June 2015), Page number citations needed (June 2015), References lacking (June 2015)
High-level radioactive waste management Low GA2 May 2016CS1 errors: dates, ... (May 2016)
Lithium iron phosphate battery Mid Start8 April 2010Unsourced statements (April 2010, December 2010, February 2012, April 2013, February 2014, April 2016), ... (June 2014), References needed (June 2014)
Methylene group Low Stub2 January 2017... (January 2017), References needed (September 2017)
Organometallics Low Stub1 February 2015... (February 2015)
Peptide synthesis High C11 February 2013Unsourced statements (February 2013, November 2016), Weasel-worded phrases (November 2016), Vague or ambiguous time (November 2016), Obsolete information (November 2016), ... (November 2016), Reliable references lacking (November 2016), Original research (November 2016), Factual verification needed (November 2016), References needed (November 2016, June 2017)
Petroleum Mid B8 July 2010Unsourced statements (January 2013, November 2010, January 2015), Web citation with no URL, Failed verification (July 2010), ... (April 2016), References needed (October 2016), Dead external links (August 2017)
Preferred IUPAC name Mid Start2 May 2010Potentially dated statements (May 2010), ... (September 2016)
Substance of very high concern Low Start1 October 2014... (October 2014)
Trans fat Mid B12 September 2010Unsourced statements (May 2014, September 2015, April 2013, June 2015, April 2017), ... (September 2010), Dead external links (December 2010, September 2017), Obsolete information (March 2012), Vague or ambiguous geographic scope (September 2012), Citation with format and no URL, Failed verification (March 2015)

Weasel words (4)

ArticleImportanceClassCount OldestIssues
Creosote Low B8 October 2016Failed verification (October 2016), Unsourced statements (January 2017, February 2017), ... (January 2017), Style editing needed (January 2017), Weasel-worded phrases (January 2017), Vague or ambiguous geographic scope (January 2017), Original research (January 2017)
DNA computing Low C4 June 2015Unsourced statements (June 2015), Dead external links (July 2015), Peacock terms (September 2015), ... (September 2015)
Organic compound Top Start1 August 2017... (August 2017)
R-407c Low Stub1 August 2015... (August 2015)

General

1911 Britannica articles needing updates (1)

ArticleImportanceClassCount OldestIssues
Quercitron Low Stub1 February 2016... (February 2016)

Categories needed (6)

ArticleImportanceClassCount OldestIssues
Alexander Butlerov Chemistry Institute Low Start4 May 2017Coordinates needed, In-text citations lacking (May 2017), Reliable references lacking (May 2017), ... (May 2017)
Chemically inert Low Start2 August 2017Sources lacking (August 2017), ... (August 2017)
Hydrophosphination Low Start1 March 2017... (March 2017)
List of miscellaneous designer cannabinoids Low List2 May 2016References needed (May 2016), ... (May 2016)
Nitrogen-15 tracing Low Start1 May 2016... (May 2016)
Static fatigue Mid Start5 June 2017Orphaned (June 2017), Reliable references lacking (September 2017), Links needing disambiguation (July 2017), ... (September 2017), Style editing needed (September 2017)

Close paraphrasing (1)

ArticleImportanceClassCount OldestIssues
Mark Spitler Low Stub4 May 2017Cleanup needed (May 2017), ... (May 2017), Orphaned (June 2017), Wikilinks needed (June 2017)

Copied and pasted articles and sections with url provided (2)

ArticleImportanceClassCount OldestIssues
Neutron activation analysis Low Start1 December 2015... (December 2015)
Niosome Low Start2 August 2010Style editing needed (August 2010), ... (October 2016)

Excessive see also sections (1)

ArticleImportanceClassCount OldestIssues
Crude oil assay Mid Stub1 July 2017... (July 2017)

Sections needed (2)

ArticleImportanceClassCount OldestIssues
Paul G. Gassman Mid Start1 December 2016... (December 2016)
Reagent High Start2 July 2017Introduction cleanup (July 2017), ... (July 2017)

Slanted towards recent events (1)

ArticleImportanceClassCount OldestIssues
Cosmochemistry Low Start3 January 2017Prose needed (January 2017), ... (January 2017), Cleanup needed (January 2017)

Tables needed (1)

ArticleImportanceClassCount OldestIssues
Breakthrough of the Year Low List4 December 2012Unsourced statements (December 2012), Cleanup needed (December 2016), ... (December 2016), List cleanup (December 2016)

Uncategorized (1)

ArticleImportanceClassCount OldestIssues
COLEX process Unknown Unassessed1 September 2017... (September 2017)

Links

DOIs inactive (10)

ArticleImportanceClassCount OldestIssues
Allylic strain High B2 August 2013Factual verification needed (August 2013), ... (2017)
Andreas von Antropoff (1878-1956) Mid Start1 2017... (2017)
Antimicrobial polymer Mid Start1 2017... (2017)
Environmental scanning electron microscope Low C2 May 2014Dead external links (May 2014), ... (2017)
Gaseous signaling molecules High B5 September 2013Unsourced statements (September 2013, February 2014), Weasel-worded phrases (September 2013), Expansion needed (March 2016), ... (2017)
Isoflavones Mid C1 2017... (2017)
Josiah Willard Gibbs High FA2 August 2017... (2017), Clarification needed (August 2017)
Polybenzimidazole fiber Low Start4 August 2013Unsourced statements (August 2013, November 2014), Promotional tone (May 2014), ... (2017)
Proton High C1 2017... (2017)
Rotaxane Mid B1 2017... (2017)

Dead external links (178)

ArticleImportanceClassCount OldestIssues
Advances in Mass Spectrometry Low Stub1 October 2016... (October 2016)
Air-free technique Mid C1 October 2016... (October 2016)
AlBeMet Low Start1 June 2017... (June 2017)
Alexander E. Shilov Low Stub1 June 2017... (June 2017)
Alexandre-Émile Béguyer de Chancourtois Mid B1 July 2017... (July 2017)
Alkali High Start2 June 2008References needed (June 2008), ... (July 2016)
Amatoxin Low Start1 July 2017... (July 2017)
Amine oxide Low Start1 October 2016... (October 2016)
Amino acid Mid GA3 September 2010Page number citations needed (September 2010), ... (July 2017), Clarification needed (August 2017)
Analytical balance Mid Stub2 November 2012Unsourced statements (November 2012), ... (October 2016)
Andreas Libavius Low C1 August 2017... (August 2017)
André Dreiding Low Start1 October 2016... (October 2016)
Anti-fouling paint Low Start3 August 2012... (August 2012, November 2016, July 2017)
Antifreeze Mid B6 March 2009Unsourced statements (March 2009, November 2010, November 2014), Vague or ambiguous time (February 2016), ... (October 2016, September 2017)
Aqion Low Start1 October 2016... (October 2016)
Argon flash Low Stub1 October 2016... (October 2016)
Arieh Ben-Naim Low Start1 October 2016... (October 2016)
Arsenate High Start1 July 2017... (July 2017)
Atom economy Mid Start1 June 2016... (June 2016)
Atropisomer Mid C1 October 2016... (October 2016)
August Wilhelm von Hofmann High Start1 October 2016... (October 2016)
Augustus George Vernon Harcourt Low Start1 March 2009... (March 2009)
Ayhan Ulubelen Low Start7 May 2012Detailed references needed, Unsourced statements (July 2013), BLP articles lacking sources (May 2012), Clarification needed (May 2012, July 2013), Vague or ambiguous time (July 2013), ... (October 2016)
Aza-Baylis–Hillman reaction Mid Start1 October 2016... (October 2016)
Azeotrope tables Mid List2 October 2016... (October 2016, July 2017)
Barfoed's test Low Stub2 April 2009Unsourced statements (April 2009), ... (October 2016)
Barton decarboxylation Mid Start1 October 2016... (October 2016)
Battery (electricity) Mid C6 December 2010Potentially dated statements (2012, 2013), Unsourced statements (December 2010), References needed (April 2017), ... (June 2017, July 2017)
Becher process Mid Start1 October 2016... (October 2016)
Behavior of nuclear fuel during a reactor accident Low C5 May 2013Expansion needed (May 2013), Citation with bare URL, Citation lacking title, ... (May 2016, October 2016)
Belousov–Zhabotinsky reaction Low Start2 October 2016... (October 2016, July 2017)
Berni Alder Low Stub1 July 2017... (July 2017)
Black liquor Low Start4 June 2009Unsourced statements (June 2009, August 2013), ... (October 2010), Weasel-worded phrases (April 2013)
Bleach Mid C3 June 2013Unsourced statements (June 2013), URL error, ... (July 2017)
Bleaching of wood pulp Mid B3 October 2010... (October 2010, June 2014, November 2016)
Bohuslav Brauner Low Start1 October 2010... (October 2010)
Boris Pavlovich Belousov Mid Start1 November 2016... (November 2016)
Brominated flame retardant High Start2 July 2007Unsourced statements (July 2007), ... (November 2016)
Buchwald–Hartwig amination Mid C2 August 2016Reliable references lacking (August 2016), ... (November 2016)
Burkhard Rost Low Start5 2011Potentially dated statements (2011), Unsourced statements (August 2013, February 2013, March 2015), ... (November 2016)
COSHH Low C2 September 2015Unsourced statements (September 2015), ... (July 2017)
CarbFix Low Start2 April 2016Update needed (April 2016), ... (November 2016)
Carbon cycle High B1 November 2016... (November 2016)
Carbon sequestration Mid C10 January 2009Unsourced statements (January 2009, August 2009, September 2010, January 2011, March 2015), Reliable references lacking (August 2015), ... (June 2016, November 2016, January 2017), Clarification needed (January 2017)
Carbonium ion Low Start1 July 2017... (July 2017)
Carbonyl metallurgy Low Stub2 September 2015Unsourced statements (September 2015), ... (November 2016)
Carolyn R. Bertozzi Low Start2 November 2016Citation with accessdate and no URL, ... (November 2016)
Catenation Low Start1 August 2017... (August 2017)
ChemSec Low C1 November 2016... (November 2016)
Chemical Communications Low Start1 November 2016... (November 2016)
Chemical affinity Low Start1 November 2016... (November 2016)
Chemical shift Mid B2 January 2016... (January 2016), Unsourced statements (January 2017)
Chemical warfare Mid C6 April 2010Unsourced statements (November 2010, April 2010, April 2017), Weasel-worded phrases (November 2010), Disputed statements (May 2015), ... (May 2016)
Chicken wire (chemistry) Low Start5 November 2007Unsourced statements (November 2007), Citation with bare URL, Citation lacking title, ... (May 2016, November 2016)
Christian Møller Low Stub1 November 2016... (November 2016)
Comproportionation Mid Stub1 January 2016... (January 2016)
Corrinoid Mid Stub1 August 2017... (August 2017)
Covalent superconductor Low C1 August 2017... (August 2017)
Crystal structure of boron-rich metal borides Low B2 August 2017Citation with format and no URL, ... (August 2017)
Cucurbituril Low C1 August 2017... (August 2017)
Cyanoacrylate Mid C6 July 2013Unsourced statements (July 2013, September 2015, December 2015), Potentially dated statements (2013), Web citation with no URL, ... (May 2016)
Cycloalkane Mid Start1 August 2017... (August 2017)
DNA computing Low C4 June 2015Unsourced statements (June 2015), ... (July 2015), Peacock terms (September 2015), Weasel words (September 2015)
Daniel Rutherford Mid Start1 September 2017... (September 2017)
Debye–Hückel equation Mid B2 2007Potentially dated statements (2007), ... (December 2016)
Diamond and Related Materials Low Stub1 December 2016... (December 2016)
Diazenylium Low C2 November 2015Broken or outdated citations (November 2015), ... (September 2017)
Diesel fuel Mid Start5 September 2014Unsourced statements (September 2014, October 2014), Clarification needed (January 2017, April 2017), ... (September 2017)
Disilyne Low C5 December 2016... (December 2016, September 2017), Cleanup needed (June 2017, June 2017), Clarification needed (June 2017)
Dorothy M. Needham Low Start3 July 2016... (July 2016), Unsourced statements (July 2016), Vague or ambiguous time (July 2016)
Dowd–Beckwith ring-expansion reaction Mid Start1 December 2016... (December 2016)
Dynamic hydrogen electrode Low Stub1 September 2017... (September 2017)
Edmond Frémy Mid Start1 May 2010... (May 2010)
Edward Harrison Memorial Prize Low List1 May 2017... (May 2017)
Electrochemiluminescence Mid Start1 December 2016... (December 2016)
Electrolysis of water Mid C2 January 2016Unsourced statements (January 2016), ... (May 2016)
Electron High FA1 December 2016... (December 2016)
Elements (journal) Low Start1 December 2016... (December 2016)
Enantioselective synthesis High Start4 July 2014Unsourced statements (July 2014), Factual verification needed (July 2014), Weasel-worded phrases (July 2014), ... (December 2016)
Enders SAMP/RAMP hydrazone-alkylation reaction Low C1 December 2016... (December 2016)
Environmental scanning electron microscope Low C2 May 2014... (May 2014), DOIs inactive (2017)
Extended periodic table Low B6 April 2011Expert attention needed (December 2011), Unsourced statements (February 2012), Potentially dated statements (April 2011), Weasel-worded phrases (October 2011), ... (October 2016)
Faiza Al-Kharafi Low C1 December 2016... (December 2016)
Faraday Lectureship Prize Low List1 May 2017... (May 2017)
Faten Zahran Mohammed Low Stub2 January 2011BLP articles lacking sources (January 2011), ... (December 2016)
Fischer–Hepp rearrangement Low Start1 July 2009... (July 2009)
Fourier-transform infrared spectroscopy High C1 April 2016... (April 2016)
Fuel cell Mid B5 September 2010Unsourced statements (December 2011, July 2012), ... (September 2010), Potentially dated statements (August 2011), Failed verification (February 2012)
Fukui function Low Stub1 August 2017... (August 2017)
Fátima Ferreira Mid Start1 January 2017... (January 2017)
Galen D. Stucky Low Start2 December 2011... (December 2011, August 2017)
Gasoline Mid B15 June 2009Clarification needed (June 2009, January 2015, July 2016, August 2016), Unsourced statements (September 2014, July 2014, April 2016, June 2015, August 2016, October 2016, May 2017), Update needed (April 2016), References needed (August 2016), ... (January 2017, August 2017)
Gertrude B. Elion Low Start2 January 2017... (January 2017), Clarification needed (February 2017)
Giacomo Luigi Ciamician Mid Stub1 October 2010... (October 2010)
Gibbs free energy Top B4 March 2015Clarification needed (March 2015, October 2016), ... (January 2017), References needed (August 2017)
Globally Harmonized System of Classification and Labelling of Chemicals Mid Start8 May 2008Style editing needed (May 2008), In-text citations lacking (September 2013), CS1 errors: dates, ... (September 2016), Vague or ambiguous time (February 2017), Unsourced statements (February 2017), Weasel-worded phrases (February 2017), References needed (February 2017)
Hand sanitizer Mid Start3 January 2012Detailed references needed, Unsourced statements (October 2013), ... (January 2012)
Hans Leopold Meyer Low Stub1 October 2010... (October 2010)
Harry Anderson (chemist) Low Start4 April 2014Unsourced statements (April 2014, July 2017), ... (July 2017), Vague or ambiguous time (July 2017)
Henry M. Fales Low Start1 April 2017... (April 2017)
Hexafluoride Mid C2 July 2012Unsourced statements (July 2012), ... (April 2017)
High-pressure electrolysis Low Start1 April 2017... (April 2017)
History of graphene Low C3 September 2010Unsourced statements (September 2010), ... (April 2016), Introduction cleanup (September 2017)
Homogeneity and heterogeneity Mid Stub3 September 2010Unsourced statements (September 2010), Clarification needed (September 2010), ... (July 2016)
Hugo Weidel Low Start1 October 2010... (October 2010)
International Maritime Dangerous Goods Code Low Stub1 July 2017... (July 2017)
International Union of Pure and Applied Chemistry High GA1 September 2017... (September 2017)
Jabir ibn Hayyan Mid B7 May 2009Unsourced statements (May 2009, July 2014, March 2014), Factual verification needed (June 2011), Weasel-worded phrases (July 2014), ... (June 2017, August 2017)
James Robert Durrant Low Stub2 May 2017Unsourced statements (May 2017), ... (July 2017)
Jeremy Sanders Low Start4 April 2014Unsourced statements (May 2016, April 2014, July 2017), ... (July 2017)
Jerome J. Workman, Jr. Low Start4 October 2013... (October 2013), Citation with bare URL, Citation lacking title, Promotional tone (January 2015)
Jmol Low Start1 April 2017... (April 2017)
John D. Axtell Low Stub1 April 2017... (April 2017)
John Eland (chemist) Low Stub2 October 2014... (October 2014, June 2017)
Josef Maria Eder Low Start1 October 2010... (October 2010)
Journal of Antimicrobial Chemotherapy Low Start1 April 2017... (April 2017)
Journal of the Chemical Society Mid Start2 February 2015References needed (February 2015), ... (February 2015)
Julius Adolph Stöckhardt Low C1 April 2017... (April 2017)
Karlsruhe Congress Mid Start1 May 2017... (May 2017)
Kenneth Breslauer Low Start1 May 2017... (May 2017)
Klaus-Dieter Hungenberg Low Start5 September 2013Reliable references lacking (November 2013), Orphaned (September 2013), Peacock terms (November 2013), Reference errors, ... (May 2017)
Kovats retention index Low Stub1 October 2014... (October 2014)
Lanny D. Schmidt Low C1 October 2010... (October 2010)
Lanthanide trifluoromethanesulfonates Mid C2 January 2008... (April 2009), Unsourced statements (January 2008)
Lead–acid battery Mid C6 July 2013Unsourced statements (December 2013), References needed (December 2013), Clarification needed (July 2013), CS1 errors: dates, CS1 errors: chapter ignored, ... (December 2016)
Lithium-ion battery Low C11 June 2010Detailed references needed, Potentially dated statements (2017, January 2014), Disputed statements (June 2010), Unsourced statements (June 2014, September 2016), ... (November 2015), Reliable references lacking (August 2014, November 2016), Failed verification (November 2013, December 2016)
Locant Low Stub1 December 2010... (December 2010)
MDL Chime Low Stub3 July 2014In-text citations lacking (July 2014), Reliable references lacking (July 2014), ... (May 2017)
MTBE controversy Mid Start1 October 2013... (October 2013)
Marcus theory Mid C2 June 2017CS1 errors: dates, ... (June 2017)
Mass spectrometry High B2 January 2015... (January 2015, September 2017)
Match Mid C1 June 2017... (June 2017)
Melanie Sanford Low Start1 September 2016... (September 2016)
Monolithic HPLC column Low Start6 January 2011Style editing needed (January 2011), Unsourced statements (April 2015), BLP articles lacking sources (June 2014), Original research (June 2014), ... (April 2015), Reliable references lacking (September 2015)
NanoScale Corporation Low Start2 July 2016... (July 2016), Orphaned (July 2017)
Natural oil polyols Low Start2 October 2010... (October 2010), Citation with accessdate and no URL
Nature Top GA6 February 2010Unsourced statements (February 2010, April 2010, July 2017), Citation with bare URL, Citation lacking title, ... (September 2017)
Nitrile Mid C2 May 2009... (May 2009), Citation with format and no URL
Nomenclature of Organic Chemistry Low Stub1 August 2017... (August 2017)
Optical contact bonding Low Start2 December 2009Expansion needed (December 2009), ... (December 2016)
Patsy O'Connell Sherman Low Start1 November 2010... (November 2010)
Petroleum Mid B8 July 2010Unsourced statements (January 2013, November 2010, January 2015), Web citation with no URL, Failed verification (July 2010), Update needed (April 2016), References needed (October 2016), ... (August 2017)
Phenol extraction Low Start3 April 2014... (April 2014), Style editing needed (April 2014), References needed (February 2015)
Phlobaphene Low Start2 November 2016... (November 2016), Unsourced statements (July 2017)
Photodissociation Mid C2 August 2014References needed (August 2014), ... (August 2014)
Polybrominated diphenyl ethers Mid C3 September 2011Unsourced statements (May 2013), ... (September 2011), CS1 errors: dates
Positive pressure personnel suit Low Start3 December 2011Expansion needed (December 2011), ... (March 2017), References needed (August 2017)
Predicted no-effect concentration Low Start1 September 2017... (September 2017)
Protein High GA3 October 2016Potentially dated statements (2017), Split needed (October 2016), ... (August 2017)
Pulp (paper) Low C3 July 2009Unsourced statements (July 2009, September 2011), ... (May 2017)
Purified water Mid Start5 February 2016Unsourced statements (February 2016), Citation with bare URL, Citation lacking title, Citation with format and no URL, ... (June 2016)
Reactive nitrogen Mid C2 August 2014In-text citations lacking (August 2014), ... (August 2014)
Rechargeable battery Low C3 November 2011Unsourced statements (November 2011), ... (November 2016), References needed (September 2017)
Refrigerant Low C5 May 2013Unsourced statements (December 2013, August 2015), References needed (December 2013), Accuracy disputes (May 2013), ... (January 2017)
Relative density Mid Start2 September 2011Unsourced statements (May 2012), ... (September 2011)
Roald Hoffmann High C1 September 2017... (September 2017)
Robert Boyle Prize for Analytical Science Low Stub1 May 2017... (May 2017)
Shana O. Kelley Low Stub1 March 2012... (March 2012)
Solubility table Mid List1 April 2017... (April 2017)
Standard conditions for temperature and pressure High B2 May 2012Unsourced statements (May 2012), ... (February 2017)
Strobilurin Low Stub2 July 2011Clarification needed (July 2011), ... (August 2017)
Sublimation (phase transition) High C1 June 2016... (June 2016)
Sulfite process High C1 October 2010... (October 2010)
Superheated water Mid B3 October 2010... (October 2010, January 2017), CS1 errors: dates
Tacticity Mid C2 February 2007Unsourced statements (February 2007), ... (August 2016)
Tannin High C8 August 2009References needed (August 2009, October 2015), Unsourced statements (October 2015, March 2013, August 2017), ... (October 2010, September 2016), Accuracy disputes (May 2011)
Temperature-programmed reduction Low Stub1 February 2017... (February 2017)
Theodore William Richards High C2 June 2016... (June 2016), Unsourced statements (August 2017)
Timeline of chemical element discoveries Mid C2 September 2010... (September 2010), CS1 errors: chapter ignored
Titanium alloy Low Start2 August 2010Unsourced statements (August 2010), ... (June 2016)
Total synthesis Mid Start6 August 2015Expert attention needed (March 2017), Unsourced statements (August 2015), Weasel-worded phrases (March 2017), ... (March 2017), Vague or ambiguous time (March 2017)
Trans fat Mid B12 September 2010Unsourced statements (May 2014, September 2015, April 2013, June 2015, April 2017), Update needed (September 2010), ... (December 2010, September 2017), Obsolete information (March 2012), Vague or ambiguous geographic scope (September 2012), Citation with format and no URL, Failed verification (March 2015)
Tributyltin Mid Start4 July 2016CS1 errors: dates, ... (July 2016), Unsourced statements (July 2017), Weasel-worded phrases (July 2017)
VRLA battery Low C5 July 2013Unsourced statements (July 2013, January 2016, August 2016, July 2017), ... (September 2016)
Vanadium redox battery Low C3 March 2016Unsourced statements (March 2016, June 2017), ... (March 2017)
William Henry Perkin High B3 July 2015Unsourced statements (March 2016), Disputed statements (July 2015), ... (May 2017)
Xylene Mid Start2 June 2016Clarification needed (June 2016), ... (July 2016)
Xyloside Low Stub2 May 2010References needed (May 2010), ... (July 2016)

External link cleanup (5)

ArticleImportanceClassCount OldestIssues
Biosafety Low B2 February 2017Spam cleanup (February 2017), ... (February 2017)
Cheminformatics Mid Start2 June 2013... (June 2013), Spam cleanup (June 2013)
Matthew Linford Low Start4 April 2012BLP articles lacking sources (April 2012), Style editing needed (April 2012), ... (December 2012), Spam cleanup (December 2012)
Quantum Monte Carlo Low Start2 October 2016Spam cleanup (October 2016), ... (October 2016)
Simplified molecular-input line-entry system Low Start2 September 2012... (September 2012), Spam cleanup (September 2012)

Links needing disambiguation (17)

ArticleImportanceClassCount OldestIssues
Corticosteroid Low Start4 January 2010References needed (January 2010), Potentially dated statements (2010), ... (June 2017), Disputed statements (July 2017)
Entropic explosion Low Stub3 June 2017Citation with bare URL, Citation lacking title, ... (June 2017)
Eutectic system Low C4 November 2013Unsourced statements (November 2013), Clarification needed (November 2013, November 2014), ... (February 2017)
Formamide-based prebiotic chemistry Low Start2 July 2017Web citation with no URL, ... (July 2017)
Giovanni Francisco Vigani Low C1 May 2016... (May 2016)
Ineos Mid Start2 November 2016... (November 2016), Conflict of interest (April 2017)
Laminin 111 Low Start2 November 2012Introduction cleanup (November 2012), ... (March 2017)
Laura L. Kiessling Low Start1 June 2017... (June 2017)
List of food additives Mid List4 March 2010Cleanup needed (March 2010, March 2010), Reliable references lacking (August 2014), ... (May 2016)
Nano-FTIR Mid B1 August 2017... (August 2017)
Nitrogen–phosphorus detector Low Stub2 April 2017Unsourced statements (April 2017), ... (August 2017)
Odor Low Start3 July 2010Unsourced statements (July 2010, November 2010), ... (July 2017)
Orgel diagram Low Stub2 December 2010References needed (December 2010), ... (August 2017)
Photolabile protecting group Mid C1 April 2017... (April 2017)
Polycyclic aromatic hydrocarbon High B7 January 2014Detailed references needed, Unsourced statements (June 2014, July 2017), CS1 errors: dates, Clarification needed (January 2014, June 2014), ... (August 2017)
Sandra Pizzarello Low Start1 December 2016... (December 2016)
Static fatigue Mid Start5 June 2017Orphaned (June 2017), Reliable references lacking (September 2017), ... (July 2017), Categories needed (September 2017), Style editing needed (September 2017)

Orphaned (321)

ArticleImportanceClassCount OldestIssues
AJ alloys Low Stub1 April 2017... (April 2017)
Abhik Ghosh Low Start1 September 2016... (September 2016)
Adam S. Veige Low Start2 January 2012Introduction cleanup (January 2012), ... (December 2012)
Adrian V. Stokes Low Stub1 April 2017... (April 2017)
Adsorbable organic halides Low Start2 November 2016... (November 2016), Unsourced statements (November 2016)
Agelasimine Low Stub1 July 2013... (July 2013)
Alcoholate NA Disambig1 September 2017... (September 2017)
Alice L. Pérez Sánchez Low Stub2 April 2016... (April 2016), Wikilinks needed (April 2016)
Alkenyl peroxides Low Start1 December 2016... (December 2016)
Allylic stannane addition Low C1 November 2011... (November 2011)
Amy C. Rosenzweig Low Start1 June 2017... (June 2017)
Andres Jaramillo-Botero Low Start2 December 2016Web citation with no URL, ... (December 2016)
Andrew Zydney Low Stub1 April 2017... (April 2017)
Andrzej Wieckowski Low C1 April 2015... (April 2015)
Annonamine Low Stub1 October 2013... (October 2013)
Anti-phase domain Low Stub1 September 2010... (September 2010)
Antiperovskite (structure) Low Start1 December 2014... (December 2014)
Asterane Low Stub1 January 2011... (January 2011)
Asymmetric ion-pairing catalysis Low Start1 November 2015... (November 2015)
Aza-Cope rearrangement Low B1 January 2014... (January 2014)
Azadipyrromethene Low Stub2 April 2016Expansion needed (April 2016), ... (April 2016)
Baltic Chemistry Olympiad Mid Stub1 February 2013... (February 2013)
Base modifying agent Low Stub2 January 2010Sources lacking (January 2010), ... (March 2010)
Bates–Guggenheim Convention Low Stub1 December 2012... (December 2012)
Bin Chen Low Start1 August 2012... (August 2012)
Bioanalysis (journal) Low Stub1 October 2016... (October 2016)
Boekelheide reaction Low Stub1 October 2015... (October 2015)
Bromatometry Low Stub1 January 2011... (January 2011)
Carbonyl oxidation with hypervalent iodine reagents Mid C1 September 2012... (September 2012)
Caroline Langat Thoruwa Low Stub2 September 2016Expansion needed (September 2016), ... (September 2016)
Chain disproportionation Mid Stub1 December 2010... (December 2010)
Characteristic property Low Stub1 July 2010... (July 2010)
Charge contrast imaging Low Stub1 August 2009... (August 2009)
Charged aerosol detector Low Stub1 June 2016... (June 2016)
Charles Buddie Mullins Low Stub1 May 2017... (May 2017)
Charles Upham Shepard Low Start2 December 2012References needed (April 2014), ... (December 2012)
ChemWindow Low Start1 February 2017... (February 2017)
Chemical Research Center of the Hungarian Academy of Sciences Low Start1 June 2009... (June 2009)
Chemistry of photolithography Low C1 March 2013... (March 2013)
Chinese Chemistry Olympiad Low Stub1 September 2012... (September 2012)
Chloroorganic carrier Low Stub2 December 2014References needed (December 2014), ... (December 2014)
Chlorosulfolipid Low Start1 September 2013... (September 2013)
Chondronectin Low Stub3 October 2010Expert attention needed (January 2016), ... (October 2010)
Christopher Jaroniec Low Stub1 December 2013... (December 2013)
Chromotropism Low Stub1 September 2013... (September 2013)
Cieplak effect Low C1 December 2014... (December 2014)
Clark R. Landis Low Start1 August 2017... (August 2017)
Claudia Felser Low Stub1 August 2017... (August 2017)
Cobalt(II)–porphyrin catalysis Low Start6 April 2017Expert attention needed (April 2017), Too technical (April 2017), ... (April 2017), Wikilinks needed (May 2017), Reliable references lacking (May 2017)
Coelan Marine Coatings Low Start1 September 2013... (September 2013)
Coil (chemistry) Low Stub2 December 2009Sources lacking (December 2009), ... (December 2009)
Combining rules Mid Start1 May 2016... (May 2016)
Composition drift Low C1 January 2015... (January 2015)
Condosity Low Stub2 July 2007Sources lacking (July 2007), ... (February 2009)
Conductive characteristics in coated synthetic fabrics Low Stub3 October 2010References needed (December 2011), Notability unclear (December 2011), ... (October 2010)
Copper nanoparticle Low C1 August 2017... (August 2017)
Crich beta-mannosylation Low C4 May 2009References needed (May 2009), Expert attention needed (January 2014), ... (January 2011)
CrystaSulf Low Start4 August 2009... (August 2009), Cleanup needed (August 2009, August 2009), References needed (July 2016)
Cu-Pt type ordering in III-V semiconductor Low Stub1 January 2011... (January 2011)
Cubosome Low Start2 April 2016CS1 errors: dates, ... (April 2016)
Curt Wittig Low Start5 June 2010Cleanup needed (May 2011, May 2011), ... (June 2010), BLP articles lacking sources (May 2011), Conflict of interest (May 2011)
Cyril Y. Bowers Low Start3 April 2010... (April 2010), Cleanup needed (March 2011, March 2011)
Danheiser benzannulation Low C1 April 2015... (April 2015)
Daniel Neumark Low Stub1 May 2017... (May 2017)
Dappen glass Low Start1 June 2012... (June 2012)
Dark current (chemistry) Low Stub2 November 2008Sources lacking (November 2008), ... (February 2009)
David Avnir Low Stub1 March 2015... (March 2015)
David Weatherburn Low Stub1 October 2016... (October 2016)
Debra R. Rolison Low Start2 June 2017... (June 2017), Notability unclear (June 2017)
Decarboxylative cross-coupling Low C2 February 2013Unsourced statements (June 2014), ... (February 2013)
Decrepitation Low Start3 February 2014Unsourced statements (February 2014), Sources lacking (February 2014), ... (June 2014)
Dehydrogenation of amine-boranes Low C1 May 2013... (May 2013)
Densitation Low Stub4 November 2008Sources lacking (December 2009), Expert attention needed (November 2008), ... (September 2014)
Dialdehyde starch Low Stub1 December 2012... (December 2012)
Diffusive gradients in thin films Low C1 May 2015... (May 2015)
Discontinuous electrophoresis Low Stub1 January 2017... (January 2017)
Disk-covering method Low Stub2 February 2008... (February 2009), In-text citations lacking (February 2008)
Disordered Structure Refinement Low Start1 February 2017... (February 2017)
Douglas Keszler Low Start1 June 2017... (June 2017)
Drugwipe test Low Start2 July 2009... (July 2009), Promotional tone (February 2017)
Dry ice color show Low Start3 August 2017Cleanup needed (August 2017, August 2017), ... (August 2017)
Dry water Low Start2 April 2014... (April 2014), Unsourced statements (August 2016)
E. E. Kurth Low Start1 May 2014... (May 2014)
EN series Low Stub1 September 2010... (September 2010)
ETH Laboratory of Ion Beam Physics Low Stub1 January 2011... (January 2011)
Efstratios N. Pistikopoulos Low Start2 June 2015BLP articles lacking sources (June 2015), ... (May 2016)
Elastin like polypeptides Low Stub1 July 2017... (July 2017)
Electrophilic substitution of unsaturated silanes Low C2 August 2017... (August 2017), Wikilinks needed (August 2017)
Element-reactant-product table Low Stub1 February 2009... (February 2009)
Elementar Low Start2 August 2014References needed (August 2014), ... (April 2015)
Enrique Guzmán y Valle Low Start1 January 2011... (January 2011)
Entatic state Low Start1 October 2016... (October 2016)
Eurokin Low Stub3 October 2010Reliable references lacking (October 2010), Promotional tone (October 2010), ... (October 2010)
European Polymer Journal Low Stub1 September 2016... (September 2016)
Extended porphyrin Low Stub3 February 2014... (February 2014), Sources lacking (February 2014), Vague or ambiguous time (August 2017)
F number (chemistry) Low Stub2 February 2009... (February 2009), References needed (December 2012)
F-block metallocene Low Start2 March 2016... (March 2016), Reliable references lacking (March 2016)
Ferroverdin Low C1 July 2011... (July 2011)
Fine electronic structure Low Start1 March 2016... (March 2016)
Flavonoid alkaloid Low Start1 March 2014... (March 2014)
Fluoroethyl Low Stub1 January 2011... (January 2011)
FreeON Low Stub3 June 2010Introduction cleanup (June 2010), Context needed (June 2010), ... (January 2011)
Fujiwara–Moritani reaction Mid C1 August 2017... (August 2017)
Functionalized polyolefins Mid Start5 March 2016Expert attention needed (March 2016), Reliable references lacking (March 2016), Weasel-worded phrases (March 2016), ... (May 2016)
Future Medicinal Chemistry Low Stub1 October 2016... (October 2016)
G-strain Low C1 December 2014... (December 2014)
GWASdb Low Start2 October 2011... (December 2011), Reliable references lacking (October 2011)
Gadiv Petrochemical Industries Low Start1 May 2010... (May 2010)
Gallagher–Hollander degradation Low Stub1 January 2011... (January 2011)
Gem-Difluoroalkene Low Stub2 February 2009... (February 2009), Sources lacking (December 2009)
Geneva Rules Low Stub2 March 2010Sources lacking (March 2010), ... (April 2010)
George Cecil Jaffe Low Stub1 April 2016... (April 2016)
Gerald Aspirall Low Stub1 May 2017... (May 2017)
Gerrit Friedrich Otto Toennies Low Start1 January 2017... (January 2017)
Glycomimetic Low Start1 September 2011... (September 2011)
Gold number Low Stub1 August 2009... (August 2009)
Graeme Moad Low Stub1 October 2015... (October 2015)
Gram atomic mass Low Stub1 February 2013... (February 2013)
Grote-Hynes theory Low Stub4 August 2015References needed (August 2015), Reliable references lacking (August 2015), ... (August 2015), Wikilinks needed (September 2015)
Gustavo Scuseria Low Stub3 May 2015Reliable references lacking (May 2015), BLP articles lacking sources (May 2015), ... (June 2016)
Handbook of Porphyrin Science Low Stub2 August 2009References needed (August 2009), ... (January 2011)
Hans Harms Unknown Stub1 August 2016... (August 2016)
Headspace Gas Chromatography for Dissolved Gas Measurement Mid C4 December 2014Expansion needed (December 2014), Introduction cleanup (December 2014), ... (December 2014), Context needed (December 2014)
Heavy liquid Low Stub1 May 2015... (May 2015)
Henry Wurtz Mid Stub2 November 2010... (November 2010), In-text citations lacking (May 2013)
Heteroatom-promoted lateral lithiation Low B1 July 2015... (July 2015)
Heterosaccharide Low Stub2 February 2009... (February 2009), Sources lacking (December 2009)
Hexagonal water Low Start1 June 2016... (June 2016)
Hydroalkoxylation Low Stub1 May 2014... (May 2014)
Hydrogen-bridged cations Low C1 June 2017... (June 2017)
Hypersaturation Low Stub2 February 2009... (February 2009), Sources lacking (December 2009)
II-VI semiconductor compound Low Start1 March 2016... (March 2016)
Idrialin Low Stub1 February 2009... (February 2009)
Imine Diels–Alder reaction Low C2 April 2013Wikilinks needed (April 2013), ... (August 2013)
In situ polymerization Low Stub4 April 2009References needed (April 2009), Cleanup needed (April 2009, April 2009), ... (December 2015)
Inductive cleavage Low Stub2 April 2013... (April 2013), Wikilinks needed (September 2015)
Informative site Low Stub1 February 2009... (February 2009)
Ion Exchange Letters Low Stub1 January 2011... (January 2011)
Ionic hydrogenation Low C1 June 2016... (June 2016)
Isay reaction Low Stub1 January 2011... (January 2011)
Isotopic ratio outlier analysis Low Start2 January 2014... (August 2014), Reference cleanup (January 2014)
Jahres-Bericht über die Fortschritte der chemischen Technologie für Fabrikanten, Chemiker, Pharmaceuten, Hütten- und Forstleute und Cameralisten Low Stub4 October 2013Wikilinks needed (December 2013), ... (October 2013), Notability unclear (September 2016), Sources lacking (September 2016)
James Nowick Low Start1 March 2016... (March 2016)
Janet Kreizman Low Stub3 November 2013Wikilinks needed (December 2013), ... (November 2013), BLP articles lacking sources (June 2016)
Janis Louie Low Start2 June 2017Unsourced statements (June 2017), ... (July 2017)
Janus-faced molecule Low Stub1 February 2009... (February 2009)
Jeehiun Lee Low Stub4 February 2009... (February 2009), BLP articles lacking sources (November 2012), Reliable references lacking (November 2012), Notability unclear (November 2012)
Jochen Küpper Mid Start1 November 2015... (November 2015)
Johann Friedrich Cartheuser Low Stub2 July 2014In-text citations lacking (July 2014), ... (June 2016)
Jonathan Abbatt Low Stub1 August 2017... (August 2017)
Joseph Thomas Walker Low Start3 March 2015References needed (March 2015), ... (May 2015), Peacock terms (March 2015)
Judd–Ofelt theory Mid Stub4 November 2015Expert attention needed (November 2015), Expansion needed (November 2015), ... (November 2015)
Julia R. Burdge Low Start5 March 2011Reliable references lacking (March 2011), BLP articles lacking sources (March 2011, September 2012), ... (September 2012), Accuracy disputes (September 2012)
K. W. Michael Siu Low Stub1 January 2017... (January 2017)
Karen Goldberg Low Start2 June 2017... (June 2017), Notability unclear (June 2017)
Katherine Bitting Mid Start2 October 2015Reliable references lacking (October 2015), ... (October 2015)
Keck asymmetric allylation Mid C2 July 2017Weasel-worded phrases (July 2017), ... (August 2017)
Kenneth G. Caulton Low Start1 August 2017... (August 2017)
Kepert model Low Stub1 May 2011... (May 2011)
Kimberly Renee Dunbar Low Start1 June 2017... (June 2017)
Kinetic Inhibitor Low Stub4 August 2012Expert attention needed (August 2012), Too technical (August 2012), ... (April 2013)
Klaus-Dieter Hungenberg Low Start5 September 2013Reliable references lacking (November 2013), ... (September 2013), Peacock terms (November 2013), Reference errors, Dead external links (May 2017)
Korean Fiber Society Low Stub3 September 2009Expert attention needed (September 2009), ... (January 2011)
Koutecký-Levich equation Low Start1 June 2017... (June 2017)
Lakshmi Kantam Low Start2 December 2013... (December 2013), Wikilinks needed (December 2013)
Lasse Jensen Low Stub1 April 2016... (April 2016)
Lateral motor column neuron Low Stub1 February 2009... (February 2009)
Latex beads Low Stub1 June 2009... (June 2009)
Lectka enantioselective beta-lactam synthesis Low Start1 September 2010... (September 2010)
Leucoderivative Low Stub1 September 2010... (September 2010)
Lhasa (computing) Low Stub1 January 2011... (January 2011)
Lignin characterization Unknown Start1 April 2017... (April 2017)
Liquid crystalline elastomer Low Start4 May 2017Expert attention needed (May 2017), Too technical (May 2017), ... (June 2017)
Liquid nitrogen wash Low Start1 March 2017... (March 2017)
List of Jewish American chemists Low List2 January 2007References needed (January 2007), ... (January 2011)
List of benzo compounds Low List2 January 2010... (January 2010), References needed (March 2014)
List of chemistry museums Low List2 June 2017Sources lacking (June 2017), ... (August 2017)
List of coffee chemicals Low List2 June 2014... (June 2014), Incomplete lists (September 2016)
List of water-miscible solvents Low List1 October 2013... (October 2013)
Lithium hybrid organic battery Low Start5 April 2015Expert attention needed (April 2015), ... (April 2015), Too technical (April 2015), Wikilinks needed (June 2015)
Mallory metal Low Stub1 April 2010... (April 2010)
Maria C. Tamargo Low Stub3 February 2009... (February 2009), BLP articles lacking sources (June 2013), Expansion needed (August 2017)
Marie Mercury Roth Low Start1 June 2016... (June 2016)
Mark Alan Barteau Low Stub1 August 2017... (August 2017)
Mark Eberhart Low Stub2 January 2011... (January 2011), BLP articles lacking sources (February 2011)
Mark Spitler Low Stub4 May 2017Cleanup needed (May 2017), Close paraphrasing (May 2017), ... (June 2017), Wikilinks needed (June 2017)
Marschalk reaction Low Stub1 January 2011... (January 2011)
Max Speter Mid Start1 May 2015... (May 2015)
Mechanostereochemistry Low Stub2 September 2008References needed (September 2008), ... (February 2009)
Metal-centered cycloaddition reactions Low Start1 June 2014... (June 2014)
Metallogels Mid C1 March 2016... (March 2016)
Metallomesogen Low C1 January 2015... (January 2015)
Metaoxyacids Low Stub1 February 2009... (February 2009)
Methylamide Low Stub1 January 2011... (January 2011)
Methylisothiazolone Low Stub2 February 2009... (February 2009), Unsourced statements (February 2015)
Metrohm Low Start2 December 2016References needed (December 2016), ... (September 2017)
Michaelis-Menten-Monod kinetics Low Start1 March 2017... (March 2017)
Micro-compounding Low Start2 July 2012References needed (August 2012), ... (July 2012)
Microbial arene oxidation Low C2 April 2013Wikilinks needed (April 2013), ... (June 2014)
Micromotor Low Start1 June 2015... (June 2015)
Mietek Jaroniec Low Start1 December 2013... (December 2013)
Mineralizer Low Start1 October 2015... (October 2015)
Mixed oxidant Low Start6 September 2015Expert attention needed (September 2015), Reliable references lacking (October 2015), Promotional tone (September 2015), Too technical (September 2015), ... (June 2016)
Modelling of particle breakage Low Stub1 April 2011... (April 2011)
Molecular promiscuity Low Stub2 August 2007Sources lacking (August 2007), ... (February 2009)
Molybdovanadate reagent Low Stub2 March 2016Unsourced statements (March 2016), ... (June 2016)
Multipole density formalism Mid C2 March 2017Unsourced statements (March 2017), ... (March 2017)
Mung bean endonuclease Low Stub1 February 2013... (February 2013)
N-Acylamides Low C2 March 2015Accuracy disputes (March 2015), ... (June 2016)
N-philes Low Stub1 April 2012... (April 2012)
NDPCP Low Stub1 February 2009... (February 2009)
NanoScale Corporation Low Start2 July 2016Dead external links (July 2016), ... (July 2017)
Nanocomposite hydrogels Low Stub1 January 2015... (January 2015)
Natural deep eutectic solvents Low Stub2 April 2016... (April 2016), Wikilinks needed (April 2016)
Neutral fat Low Stub1 November 2010... (November 2010)
Nicola Giordano Low Start3 August 2013Sources lacking (August 2013), Conflict of interest (August 2013), ... (August 2013)
Nik operon Low Start4 November 2013Reliable references lacking (December 2013), ... (November 2013), Notability unclear (December 2013), Introduction cleanup (December 2013)
Nils G. Walter Mid Start1 February 2017... (February 2017)
Nuclear magnetic resonance chemical shift re-referencing Mid Start1 May 2014... (May 2014)
OLI Analyzer Low Stub2 April 2009Notability unclear (April 2009), ... (January 2011)
Oilfield scale inhibition Low C1 December 2016... (December 2016)
Organic molecular tracers Low Start6 December 2009Expert attention needed (December 2009), Introduction cleanup (December 2009), Context needed (December 2009), ... (April 2010), Too technical (December 2009)
Organoclay Low Stub2 February 2009... (February 2009), References needed (September 2015)
Orthoacetic acid Low Stub1 May 2011... (May 2011)
Otto Liebermann Low C1 October 2013... (October 2013)
Overlapping distribution method Low Start1 February 2009... (February 2009)
Oxaprostaglandin Low Start2 April 2013Wikilinks needed (December 2013), ... (April 2013)
Oxidation with chromium(VI)-amine complexes Mid C1 December 2011... (December 2011)
Oxidative dissolution of silver nanoparticles Low Start1 May 2016... (May 2016)
PHydrion Low Stub1 August 2012... (August 2012)
Paolo Samorì Low Start1 June 2014... (June 2014)
Parisa Mehrkhodavandi Low Start2 June 2017... (June 2017), References needed (August 2017)
Path integrals in polymer science Low C1 August 2014... (August 2014)
Patrick Sung Low Stub1 December 2013... (December 2013)
Periodic current reversal Low Start2 January 2007Sources lacking (January 2007), ... (February 2009)
Phase transformation crystallography Low Stub2 July 2014... (July 2014), Wikilinks needed (June 2016)
Phenol oxidation with hypervalent iodine reagents Low C1 May 2015... (May 2015)
Philip P. Cohen Low Stub1 December 2011... (December 2011)
Philip S. Portoghese Low Start1 June 2011... (June 2011)
Philippe Guyot-Sionnest Low Stub3 August 2010Reliable references lacking (September 2010), ... (August 2010), BLP articles lacking sources (September 2010)
Phosphinoimidate Low Start1 April 2013... (April 2013)
Phosphonium coupling Low Start4 March 2012Expert attention needed (March 2012), Too technical (March 2012), ... (February 2013)
Photoactivatable probes Low C1 July 2013... (July 2013)
Photocatalyst activity indicator ink Low C1 June 2014... (June 2014)
Plasma electrochemistry Low Stub1 June 2016... (June 2016)
Pluronic P-123 Low Stub1 February 2009... (February 2009)
Poly(hexamethylene carbonate) Low Stub1 December 2013... (December 2013)
Polyoxymethylene dimethyl ethers Low Stub2 November 2014Unsourced statements (November 2014), ... (June 2016)
Polypropylene polybenzyl isocyanate Low Stub2 February 2009... (February 2009), Sources lacking (May 2010)
Powder coating on glass Low Start3 February 2014Style editing needed (February 2014), In-text citations lacking (February 2014), ... (February 2014)
Pressure-induced hydration Low Stub1 February 2015... (February 2015)
Primary Aromatic Amine Low Stub1 February 2009... (February 2009)
Principle of least motion Low Stub1 February 2009... (February 2009)
Protective finishing coat Low Stub2 February 2007Sources lacking (February 2007), ... (November 2009)
Protein film voltammetry Low C1 August 2017... (August 2017)
Pulsation reactor Low Start1 January 2014... (January 2014)
Purinones Low Stub1 February 2009... (February 2009)
Pyrromethene Low Stub2 April 2016Expansion needed (April 2016), ... (April 2016)
Quechers Low Stub2 February 2014Unsourced statements (February 2014), ... (June 2016)
Raymond E. Zirkle Low Start1 June 2016... (June 2016)
Reactions of nitrile anions Low C1 July 2011... (July 2011)
Reactive oxygen species production in marine microalgae Low B4 April 2013Expert attention needed (April 2013), ... (May 2013), Too technical (April 2013)
Renad Zhdanov Mid Start4 June 2017CS1 errors: dates, Reliable references lacking (June 2017), BLP articles lacking sources (June 2017), ... (August 2017)
Residual topology Low Stub1 October 2013... (October 2013)
RiboGreen Low Stub2 June 2007Sources lacking (June 2007), ... (February 2009)
Richard Handl Low Start1 September 2016... (September 2016)
Richard Stratt Low Stub1 January 2017... (January 2017)
Robert H. Christenson Low Stub3 November 2013Reliable references lacking (November 2013), ... (June 2016), Wikilinks needed (June 2016)
Roger D. Cone Low Start1 August 2017... (August 2017)
Saville reaction Low Stub1 February 2009... (February 2009)
Sequence-controlled polymers Mid Start1 April 2017... (April 2017)
Severinghaus electrode Low Stub2 March 2011In-text citations lacking (March 2011), ... (June 2016)
Sharon Ashbrook Low Stub1 August 2017... (August 2017)
ShelXle Low Start1 March 2012... (March 2012)
Shell–Paques process Mid Start2 March 2008References needed (March 2008), ... (April 2011)
Shimon Schuldiner Low Start1 March 2017... (March 2017)
Shredding (disassembling genomic data) Low Stub1 February 2009... (February 2009)
Silicon alkoxide Low Stub2 December 2009Sources lacking (December 2009), ... (January 2011)
Silvicide Low Stub2 June 2011In-text citations lacking (June 2011), ... (June 2016)
Simultaneously extracted metals and Acid-volatile sulfide Low B1 June 2014... (June 2014)
Smart cosubstrate Low Start3 February 2017... (February 2017), Copy edit needed (February 2017), Clarification needed (June 2017)
Sodium polycarboxylate Low Stub1 October 2013... (October 2013)
Soft chemistry Low Start3 April 2010Original research (April 2010), Expansion needed (May 2010), ... (September 2010)
Solid-state reaction route Low Start1 September 2010... (September 2010)
Static fatigue Mid Start5 June 2017... (June 2017), Reliable references lacking (September 2017), Links needing disambiguation (July 2017), Categories needed (September 2017), Style editing needed (September 2017)
Stereocontrolled 1,2-addition to carbonyl groups Low Stub1 May 2017... (May 2017)
Stoichiometric point Low Stub1 February 2009... (February 2009)
Super-oxidized solution Low Start1 September 2017... (September 2017)
Supercritical adsorption Low C1 February 2009... (February 2009)
Superloy Low Start2 February 2009... (February 2009), Sources lacking (December 2009)
Superoxidant Low Stub1 September 2013... (September 2013)
Supertherm Low Stub2 October 2014Reliable references lacking (January 2015), ... (October 2014)
Surface chemistry of cooking Low C2 October 2013... (October 2013), Unsourced statements (January 2016)
Synergistic catalysis Low C1 February 2016... (February 2016)
Sílvia Osuna Oliveras Low Start1 January 2017... (January 2017)
Tabula Affinitatum Low Stub1 October 2016... (October 2016)
Temperature salinity diagram Low Stub1 December 2012... (December 2012)
Tetra-amido macrocyclic ligand Low Stub1 February 2009... (February 2009)
Tetramethyl acetyloctahydronaphthalenes Low Start2 March 2015Merge needed (March 2016), ... (March 2015)
Thermolabile protecting groups Low Stub2 August 2013Clarification needed (August 2013), ... (October 2015)
Thiacalixarene Low Stub2 February 2009... (February 2009), Sources lacking (December 2009)
Thiol-ene reaction Low C1 August 2015... (August 2015)
Thioselenide Low Stub2 September 2008Sources lacking (September 2008), ... (February 2009)
Thomas Welton Low Stub1 August 2015... (August 2015)
Throughput rate Low Stub2 February 2009... (February 2009), Wikilinks needed (July 2015)
Timothy F. Jamison Low Start3 December 2011BLP articles lacking sources (December 2011), Unsourced statements (December 2013), ... (August 2017)
Tissue residue Low B1 July 2013... (July 2013)
Topotactic transition Low Stub1 December 2015... (December 2015)
Trace Metal Detection Test Low Start1 May 2011... (May 2011)
Transport length Low Stub1 January 2011... (January 2011)
Tropocoronand ligand Low C1 August 2017... (August 2017)
Tube-based nanostructures Low Start2 December 2013... (December 2013), Merge needed (October 2015)
UV pinning Low Start2 February 2009... (February 2009), In-text citations lacking (November 2010)
Undersaturation Low Stub1 August 2014... (August 2014)
WRKY transcription factor Low B1 December 2015... (December 2015)
Wax emulsion Low Stub2 June 2016References needed (June 2016), ... (June 2016)
Webster's reagent Mid Stub1 February 2009... (February 2009)
Weighing bottle Mid Stub1 January 2011... (January 2011)
Wet electrons Low Stub1 January 2011... (January 2011)
Women in chemistry Mid List1 September 2015... (September 2015)
XMD Low Stub1 June 2012... (June 2012)

Wikilinks needed (40)

ArticleImportanceClassCount OldestIssues
Alice L. Pérez Sánchez Low Stub2 April 2016Orphaned (April 2016), ... (April 2016)
Benzylic activation and stereocontrol in tricarbonyl(arene)chromium complexes Low C1 September 2013... (September 2013)
Bretherick's Handbook of Reactive Chemical Hazards Low Start1 January 2017... (January 2017)
Clifford Leznoff Low Stub1 February 2017... (February 2017)
Cobalt(II)–porphyrin catalysis Low Start6 April 2017Expert attention needed (April 2017), Too technical (April 2017), Orphaned (April 2017), ... (May 2017), Reliable references lacking (May 2017)
College of Chemical Sciences Low Stub4 June 2011References needed (June 2011), Coordinates needed, Conflict of interest (June 2011), ... (January 2015)
Cone calorimeter Low Start6 April 2013Cleanup needed (April 2013, April 2013), Peacock terms (May 2014), Promotional tone (May 2014), ... (May 2014), Reference cleanup (May 2014)
Crystal structure of boron-rich metal borides (data page) Low List1 March 2017... (March 2017)
Demonstration Plant Low Start2 April 2016In-text citations lacking (April 2016), ... (April 2016)
Diketopyrrolopyrrole dye Low Stub4 June 2016Expert attention needed (June 2016), References needed (January 2017), ... (January 2017)
Electrophilic substitution of unsaturated silanes Low C2 August 2017Orphaned (August 2017), ... (August 2017)
Fusibility Low Start1 July 2017... (July 2017)
Gary Keck Low Stub1 February 2017... (February 2017)
Gold sol Low Stub2 September 2011Sources lacking (September 2011), ... (December 2014)
Grote-Hynes theory Low Stub4 August 2015References needed (August 2015), Reliable references lacking (August 2015), Orphaned (August 2015), ... (September 2015)
Herbicide safener Low Stub2 June 2011In-text citations lacking (June 2011), ... (June 2016)
Heterolysis (chemistry) Mid Stub1 March 2017... (March 2017)
Imine Diels–Alder reaction Low C2 April 2013... (April 2013), Orphaned (August 2013)
Inductive cleavage Low Stub2 April 2013Orphaned (April 2013), ... (September 2015)
Institute for the History of Aluminium Low Stub2 July 2008References needed (July 2008), ... (June 2016)
Intramolecular Heck reaction Mid C1 August 2017... (August 2017)
Jahres-Bericht über die Fortschritte der chemischen Technologie für Fabrikanten, Chemiker, Pharmaceuten, Hütten- und Forstleute und Cameralisten Low Stub4 October 2013... (December 2013), Orphaned (October 2013), Notability unclear (September 2016), Sources lacking (September 2016)
Janet Kreizman Low Stub3 November 2013... (December 2013), Orphaned (November 2013), BLP articles lacking sources (June 2016)
Lakshmi Kantam Low Start2 December 2013Orphaned (December 2013), ... (December 2013)
Lithium hybrid organic battery Low Start5 April 2015Expert attention needed (April 2015), Orphaned (April 2015), Too technical (April 2015), ... (June 2015)
Mark Spitler Low Stub4 May 2017Cleanup needed (May 2017), Close paraphrasing (May 2017), Orphaned (June 2017), ... (June 2017)
Metal-phenolic network Low Stub4 February 2016Expert attention needed (February 2016), ... (February 2016), Too technical (February 2016)
Microbial arene oxidation Low C2 April 2013... (April 2013), Orphaned (June 2014)
Milton L. Lee Low Stub3 April 2014Reliable references lacking (April 2014), BLP articles lacking sources (April 2014), ... (April 2016)
Natural deep eutectic solvents Low Stub2 April 2016Orphaned (April 2016), ... (April 2016)
Oxaprostaglandin Low Start2 April 2013... (December 2013), Orphaned (April 2013)
Pan Africa Chemistry Network Low Stub2 March 2015Notability unclear (March 2015), ... (June 2016)
Phase transformation crystallography Low Stub2 July 2014Orphaned (July 2014), ... (June 2016)
Pittcon Editors' Awards Low Start2 January 2012Conflict of interest (January 2012), ... (May 2013)
Robert H. Christenson Low Stub3 November 2013Reliable references lacking (November 2013), Orphaned (June 2016), ... (June 2016)
Simple lipid Low Stub2 December 2009Sources lacking (December 2009), ... (June 2016)
Tables of Physical and Chemical Constants and Some Mathematical Functions Low Stub1 October 2014... (October 2014)
Throughput rate Low Stub2 February 2009Orphaned (February 2009), ... (July 2015)
Variational transition-state theory Low Stub2 November 2008References needed (November 2008), ... (November 2012)
Vibrational bond Mid Start2 June 2015References needed (June 2015), ... (June 2015)

Neutrality

Accuracy disputes (22)

ArticleImportanceClassCount OldestIssues
Clyde cancer cluster Low Start8 December 2015CS1 errors: dates, References needed (December 2015), Expansion needed (January 2016), Reliable references lacking (December 2015), CS1 errors: external links, NPOV disputes (January 2016), ... (January 2016), Rewrite needed (January 2016)
Combustion High C4 July 2016Disputed statements (July 2016), ... (July 2016), References needed (January 2017), Expansion needed (April 2017)
Detection limit Mid C4 January 2016Expert attention needed (January 2016), References needed (January 2016), ... (January 2016)
Energy harvesting Low B4 February 2011Factual verification needed (February 2011), CS1 errors: dates, ... (February 2014), Unsourced statements (August 2016)
Entropy (energy dispersal) Low C4 June 2013Unsourced statements (June 2013), NPOV disputes (June 2013, July 2013), ... (June 2013)
Environmental impact of cleaning agents Low C2 June 2017References needed (June 2017), ... (June 2017)
Epimer Mid Start1 June 2015... (June 2015)
Hypereutectic piston Low Start3 September 2009Sources lacking (November 2009), ... (September 2009), Unsourced statements (November 2016)
Julia R. Burdge Low Start5 March 2011Reliable references lacking (March 2011), BLP articles lacking sources (March 2011, September 2012), Orphaned (September 2012), ... (September 2012)
Lars Walløe Low Start4 October 2011Cleanup needed (October 2011, October 2011), BLP articles lacking sources (March 2015), ... (March 2015)
Lead abatement in the United States Low Start1 April 2017... (April 2017)
List of molecular graphics systems Low List5 September 2009Unsourced statements (September 2009), ... (September 2009, August 2010, March 2011, February 2014)
List of unsolved problems in chemistry Low List9 November 2011References needed (December 2014), Expert attention needed (November 2011), ... (November 2011, December 2014), Unsourced statements (December 2014), Reliable references lacking (December 2014), Weasel-worded phrases (December 2014), Factual verification needed (December 2014)
N-Acylamides Low C2 March 2015... (March 2015), Orphaned (June 2016)
Oxo Biodegradable Low Start4 January 2014Cleanup needed (January 2014, January 2014), NPOV disputes (March 2014), ... (June 2014)
Polychlorinated biphenyl High B12 May 2007Unsourced statements (May 2007, October 2015, July 2010, September 2015, May 2013, February 2011, May 2015, June 2016, September 2016), ... (May 2013), Page number citations needed (May 2013, October 2015)
Polyol Mid Start5 August 2015Expert attention needed (August 2015), Original research (August 2015), Expansion needed (August 2015), ... (August 2015)
Procyanidin Mid C3 August 2010Reliable references lacking (October 2010), Page number citations needed (August 2010), ... (October 2010)
Refrigerant Low C5 May 2013Unsourced statements (December 2013, August 2015), References needed (December 2013), ... (May 2013), Dead external links (January 2017)
Steam High Start4 September 2013Unsourced statements (September 2013), References needed (September 2013), ... (September 2013), Page number citations needed (September 2013)
Tannin High C8 August 2009References needed (August 2009, October 2015), Unsourced statements (October 2015, March 2013, August 2017), Dead external links (October 2010, September 2016), ... (May 2011)
Tony Swain (chemist) Low Stub1 May 2011... (May 2011)

Autobiographical articles (2)

ArticleImportanceClassCount OldestIssues
Morten P. Meldal Low Start2 March 2009Notability unclear (March 2009), ... (November 2013)
Sourav Pal Low Start3 June 2010Peacock terms (June 2010), BLP articles lacking sources (June 2010), ... (June 2010)

Conflict of interest (16)

ArticleImportanceClassCount OldestIssues
Arabinogalactan Low Start3 December 2011Unsourced statements (December 2011, August 2016), ... (November 2016)
Bioactive paper Low Start3 July 2009References needed (July 2009), In-text citations lacking (August 2009), ... (July 2009)
Chemical Galaxy Low Start1 March 2014... (March 2014)
College of Chemical Sciences Low Stub4 June 2011References needed (June 2011), Coordinates needed, ... (June 2011), Wikilinks needed (January 2015)
Curt Wittig Low Start5 June 2010Cleanup needed (May 2011, May 2011), Orphaned (June 2010), BLP articles lacking sources (May 2011), ... (May 2011)
Evaporation suppressing monolayers Low C2 March 2014Unsourced statements (March 2014), ... (March 2014)
Flamelet generated manifold Low Stub5 August 2014References needed (August 2014), Clarification needed (November 2015), Notability unclear (November 2015), ... (November 2015), Disputed statements (November 2015)
Hydrophilic interaction chromatography Low Stub1 October 2015... (October 2015)
Ineos Mid Start2 November 2016Links needing disambiguation (November 2016), ... (April 2017)
Kim Janda Low Start1 July 2009... (July 2009)
Maurizio Prato (scientist) Low Start2 October 2016... (October 2016), Notability unclear (October 2016)
Nicola Giordano Low Start3 August 2013Sources lacking (August 2013), ... (August 2013), Orphaned (August 2013)
Pittcon Editors' Awards Low Start2 January 2012... (January 2012), Wikilinks needed (May 2013)
Quantemol-DB Low Start7 April 2017... (April 2017), Peacock terms (April 2017), Reference cleanup (April 2017), Unsourced statements (July 2017), Merge needed (July 2017), Weasel-worded phrases (July 2017), Clarification needed (July 2017)
Sean Ekins Low Start1 November 2011... (November 2011)
Symbiosis (chemical) Low Start2 September 2009Style editing needed (September 2009), ... (September 2009)

Disputed statements (40)

ArticleImportanceClassCount OldestIssues
Alkalinity Low C3 February 2015References needed (May 2015), ... (February 2015), Clarification needed (February 2015)
Amedeo Avogadro Mid C2 May 2008In-text citations lacking (May 2008), ... (March 2016)
Atomic carbon Mid Start2 September 2010In-text citations lacking (September 2010), ... (August 2014)
Binary acid Low Stub3 September 2009Unsourced statements (September 2009, January 2015), ... (January 2015)
Bound state Low Start3 February 2015Clarification needed (February 2015), Unsourced statements (November 2016), ... (November 2016)
Chalcogen Mid C5 September 2014Unsourced statements (September 2014, August 2017), Expansion needed (September 2014, August 2016), ... (September 2014)
Charge-shift bond Mid C1 August 2015... (August 2015)
Chemical warfare Mid C6 April 2010Unsourced statements (November 2010, April 2010, April 2017), Weasel-worded phrases (November 2010), ... (May 2015), Dead external links (May 2016)
Chlorofluorocarbon High B4 April 2010Unsourced statements (March 2011), ... (April 2010), Clarification needed (June 2013), References needed (February 2015)
Combustion High C4 July 2016... (July 2016), Accuracy disputes (July 2016), References needed (January 2017), Expansion needed (April 2017)
Conformational isomerism Mid Start2 July 2014Clarification needed (July 2014), ... (July 2014)
Corticosteroid Low Start4 January 2010References needed (January 2010), Potentially dated statements (2010), Links needing disambiguation (June 2017), ... (July 2017)
Criegee oxidation Low Start1 April 2017... (April 2017)
Dissolution (chemistry) High Start11 December 2009Reliable references lacking (December 2009), Expert attention needed (June 2015), Unsourced statements (June 2015), References needed (June 2015), Weasel-worded phrases (June 2015), Cleanup needed (June 2015, June 2015), ... (June 2015), Clarification needed (June 2015), Merge needed (December 2016)
Dmitri Mendeleev Top C4 July 2015Citation with accessdate and no URL, Unsourced statements (July 2015), References needed (March 2017), ... (May 2017)
Enol High C8 October 2010Unsourced statements (October 2010, July 2015), Clarification needed (October 2010, July 2015), References needed (July 2015), Expansion needed (July 2015), Reliable references lacking (July 2015), ... (July 2015)
Enthalpy of vaporization High C2 March 2016Reference cleanup (March 2016), ... (April 2017)
Ethylmercury Low Start5 February 2017Expansion needed (February 2017), ... (February 2017), Update needed (February 2017), Factual verification needed (February 2017), Unsourced statements (February 2017)
Exothermic process Mid Start2 March 2015Clarification needed (March 2015), ... (March 2015)
Flamelet generated manifold Low Stub5 August 2014References needed (August 2014), Clarification needed (November 2015), Notability unclear (November 2015), Conflict of interest (November 2015), ... (November 2015)
Hexafluorophosphate Low C1 October 2015... (October 2015)
Hydroxide Top C3 January 2013Unsourced statements (January 2013, November 2014), ... (November 2014)
Island of stability Mid B1 July 2012... (July 2012)
Jeremias Benjamin Richter Low Start4 November 2009In-text citations lacking (November 2009, January 2014), CS1 errors: dates, ... (April 2014)
Lipid polymorphism Low Start2 January 2015Clarification needed (January 2015), ... (January 2015)
Lithium-ion battery Low C11 June 2010Detailed references needed, Potentially dated statements (2017, January 2014), ... (June 2010), Unsourced statements (June 2014, September 2016), Dead external links (November 2015), Reliable references lacking (August 2014, November 2016), Failed verification (November 2013, December 2016)
Magnetic quantum number Mid Start2 May 2016References needed (May 2016), ... (May 2016)
Malaprade reaction Low Stub1 April 2017... (April 2017)
Modified starch Low Start3 May 2010References needed (May 2010), Unsourced statements (January 2011), ... (January 2011)
Molecular dynamics High B2 April 2009Unsourced statements (April 2009), ... (July 2017)
Oxalate Mid Start5 September 2009Unsourced statements (January 2010, April 2015, July 2017), ... (September 2009, October 2014)
Paracelsus High C4 June 2017CS1 errors: missing author or editor, Unsourced statements (June 2017), ... (June 2017), Clarification needed (August 2017)
Pictet–Spengler reaction Low B2 November 2010Unsourced statements (November 2010), ... (November 2010)
Pnictogen hydride Mid C1 September 2016... (September 2016)
Polylactic acid Low C3 March 2014Weasel-worded phrases (March 2014), References needed (June 2015), ... (June 2015)
Standard atomic weight Mid C1 January 2014... (January 2014)
Structural isomer High Start3 November 2014References needed (November 2014), Citation with accessdate and no URL, ... (November 2014)
Superhydrophobic coating Low C6 June 2013Unsourced statements (February 2015, June 2013, February 2014, July 2014), Weasel-worded phrases (July 2014), ... (July 2014)
Surface tension Mid GA2 March 2015... (March 2015), Clarification needed (May 2016)
William Henry Perkin High B3 July 2015Unsourced statements (March 2016), ... (July 2015), Dead external links (May 2017)

Factual verification needed (39)

ArticleImportanceClassCount OldestIssues
Allotropes of sulfur Low B3 July 2015References needed (July 2015), Unsourced statements (July 2015), ... (July 2015)
Allylic strain High B2 August 2013... (August 2013), DOIs inactive (2017)
Aromaticity High B6 January 2014Reliable references lacking (April 2015), ... (January 2014, October 2014, April 2015), Unsourced statements (June 2016), Expansion needed (April 2015)
Cyclic compound High Start13 April 2015Expert attention needed (April 2015), Reliable references lacking (April 2015), Expansion needed (June 2015, April 2015), References needed (April 2015, June 2015), Unsourced statements (April 2015, June 2015), Clarification needed (April 2015), Page number citations needed (April 2015, June 2015), ... (April 2015)
Dihedral angle Low Start1 May 2017... (May 2017)
Dioxygen in biological reactions Mid B1 September 2011... (September 2011)
Döbereiner's triads Low Stub3 December 2013Cleanup needed (December 2013, December 2013), ... (December 2013)
Electrosynthesis Mid C1 October 2014... (October 2014)
Enantioselective synthesis High Start4 July 2014Unsourced statements (July 2014), ... (July 2014), Weasel-worded phrases (July 2014), Dead external links (December 2016)
Energy harvesting Low B4 February 2011... (February 2011), CS1 errors: dates, Accuracy disputes (February 2014), Unsourced statements (August 2016)
Ethoxylation Mid Stub4 March 2016Unsourced statements (March 2016), Reliable references lacking (March 2016), Page number citations needed (March 2016), ... (March 2016)
Ethylmercury Low Start5 February 2017Expansion needed (February 2017), Disputed statements (February 2017), Update needed (February 2017), ... (February 2017), Unsourced statements (February 2017)
Fabric softener High Start4 August 2011Unsourced statements (October 2015, November 2015, May 2015), ... (August 2011)
Hammett equation Mid Start11 June 2015Unsourced statements (June 2015), Style editing needed (June 2015), Update needed (June 2015), References needed (June 2015), Reliable references lacking (June 2015), Cleanup needed (June 2015, June 2015), Clarification needed (June 2015), ... (June 2015), Page number citations needed (June 2015), References lacking (June 2015)
Hermann Kolbe High Start1 July 2014... (July 2014)
History of chemistry High B7 August 2007Unsourced statements (August 2007, June 2008, May 2010, August 2012), ... (June 2010), Web citation with no URL, CS1 errors: dates
Jabir ibn Hayyan Mid B7 May 2009Unsourced statements (May 2009, July 2014, March 2014), ... (June 2011), Weasel-worded phrases (July 2014), Dead external links (June 2017, August 2017)
Lasri condensation Low Stub1 June 2017... (June 2017)
Lead glass Mid B1 September 2012... (September 2012)
Leo Paquette Low Start7 January 2016Reliable references lacking (January 2016), Unsourced statements (January 2016), Weasel-worded phrases (January 2016), BLP articles lacking sources (April 2016, January 2016), ... (January 2016), Vague or ambiguous time (January 2016)
List of unsolved problems in chemistry Low List9 November 2011References needed (December 2014), Expert attention needed (November 2011), Accuracy disputes (November 2011, December 2014), Unsourced statements (December 2014), Reliable references lacking (December 2014), Weasel-worded phrases (December 2014), ... (December 2014)
Muhammad ibn Zakariya al-Razi Low C7 November 2010Unsourced statements (October 2012, November 2016), References needed (May 2012), ... (November 2010), Web citation with no URL, Citation with accessdate and no URL, CS1 errors: dates
Noble gas compound Mid C9 January 2015Cleanup needed (January 2015, January 2015), References needed (January 2015), Expansion needed (January 2015), Reliable references lacking (January 2015), Unsourced statements (January 2015), Weasel-worded phrases (January 2015), Vague or ambiguous time (January 2015), ... (January 2015)
Partition coefficient High B4 March 2016Unsourced statements (March 2016), Reliable references lacking (March 2016), Page number citations needed (March 2016), ... (March 2016)
Peptide synthesis High C11 February 2013Unsourced statements (February 2013, November 2016), Weasel-worded phrases (November 2016), Vague or ambiguous time (November 2016), Obsolete information (November 2016), Update needed (November 2016), Reliable references lacking (November 2016), Original research (November 2016), ... (November 2016), References needed (November 2016, June 2017)
Physical organic chemistry High Start7 June 2015Expansion needed (June 2015), Unsourced statements (June 2015), Reliable references lacking (June 2015), Clarification needed (June 2015), ... (June 2015), Page number citations needed (June 2015), References lacking (June 2015)
SNOX process Low Start2 October 2014... (October 2014), Page number citations needed (October 2014)
Sandwich compound High Start2 December 2016Citation with format and no URL, ... (December 2016)
Saponin Mid C2 March 2009... (March 2009), Unsourced statements (March 2009)
Semisynthesis Mid Start3 March 2017Unsourced statements (March 2017), ... (March 2017), References needed (March 2017)
Singlet oxygen Mid C4 August 2015References needed (August 2015), Unsourced statements (August 2015), Reliable references lacking (August 2015), ... (August 2015)
Space-filling model Low Start3 June 2015References needed (June 2015), Reliable references lacking (June 2015), ... (June 2015)
Spiro compound Mid C10 January 2016Unsourced statements (February 2016), Citation with format and no URL, Merge needed (January 2016), References needed (February 2016), Reliable references lacking (February 2016), Expansion needed (February 2016), Self-contradictory articles (February 2016), Clarification needed (February 2016), ... (February 2016, March 2016)
Steroid Mid C9 May 2014Expert attention needed (March 2017), Page number citations needed (May 2014), Reliable references lacking (July 2014, March 2017), Reference errors, Unsourced statements (March 2017), ... (March 2017), Expansion needed (March 2017)
Sugar alcohol Mid C3 January 2014Unsourced statements (January 2014, January 2015), ... (October 2016)
Tautomer High B4 July 2015References needed (July 2015), Unsourced statements (July 2015), Reliable references lacking (July 2015), ... (July 2015)
Transition metal alkyne complex Mid C1 May 2015... (May 2015)
Vitamin B12 total synthesis Mid B3 March 2017Unsourced statements (March 2017), ... (March 2017), Reliable references lacking (March 2017)
World Wide Molecular Matrix Low Start4 December 2010References needed (December 2010), Unsourced statements (December 2010), In-text citations lacking (December 2010), ... (December 2010)

Limited geographic scope (7)

ArticleImportanceClassCount OldestIssues
Biomonitoring Mid C7 April 2012Page number citations needed (April 2012), Unsourced statements (April 2016), CS1 errors: chapter ignored, Expansion needed (April 2016), ... (April 2016), Reliable references lacking (April 2016), Vague or ambiguous geographic scope (April 2016)
Chartered Chemist Low Stub2 March 2013In-text citations lacking (March 2013), ... (April 2016)
Chemical weapon Mid C6 July 2012Unsourced statements (July 2012, April 2017), Potentially dated statements (2015, 2016, June 2016), ... (December 2012)
Hydrogen safety Low Start2 July 2011... (July 2011), References needed (November 2014)
Laboratory information management system Mid C2 March 2016Unsourced statements (March 2016), ... (May 2016)
Pharmaceutical industry Mid C6 June 2015Unsourced statements (November 2015, June 2015), Citation with accessdate and no URL, Clarification needed (June 2015), ... (August 2015), CS1 errors: external links
Wood preservation Low Start5 May 2010Unsourced statements (May 2010, December 2012, March 2014), ... (March 2014), Minor POV problems (March 2014)

Minor POV problems (1)

ArticleImportanceClassCount OldestIssues
Wood preservation Low Start5 May 2010Unsourced statements (May 2010, December 2012, March 2014), Limited geographic scope (March 2014), ... (March 2014)

NPOV disputes (7)

ArticleImportanceClassCount OldestIssues
American Chemistry Council Low Start5 December 2008References needed (December 2008), Unsourced statements (October 2011), ... (October 2011), Weasel-worded phrases (October 2011), Obsolete information (October 2011)
Clyde cancer cluster Low Start8 December 2015CS1 errors: dates, References needed (December 2015), Expansion needed (January 2016), Reliable references lacking (December 2015), CS1 errors: external links, ... (January 2016), Accuracy disputes (January 2016), Rewrite needed (January 2016)
Combinatorial chemistry Top Start4 November 2012Unsourced statements (November 2012, June 2014), Expansion needed (June 2014), ... (June 2014)
Entropy (energy dispersal) Low C4 June 2013Unsourced statements (June 2013), ... (June 2013, July 2013), Accuracy disputes (June 2013)
Gulal Low C4 June 2016Unsourced statements (June 2016, March 2017), ... (June 2016), References needed (October 2016)
Minnesota functionals Low Start2 August 2016Unsourced statements (August 2016), ... (March 2017)
Oxo Biodegradable Low Start4 January 2014Cleanup needed (January 2014, January 2014), ... (March 2014), Accuracy disputes (June 2014)

Original research (34)

ArticleImportanceClassCount OldestIssues
ACS Chemical Neuroscience Low C1 February 2011... (February 2011)
Acrylic paint Low Start4 November 2009References needed (November 2009), ... (June 2010), CS1 errors: external links, Unsourced statements (February 2017)
Alkyne trimerisation Mid C2 April 2015Unsourced statements (April 2015), ... (April 2015)
Ballotechnics Low Start2 February 2015References needed (February 2015), ... (February 2015)
Borderline hydrides Mid C2 November 2010Unsourced statements (November 2010), ... (September 2013)
Catalytically competent protonation state Low Start4 June 2010Expert attention needed (June 2010), Sources lacking (June 2010), ... (June 2010)
Chemical stability Mid Start1 April 2017... (April 2017)
Chromatography in blood processing Low Start4 September 2008In-text citations lacking (April 2009, September 2008), ... (September 2008), Introduction cleanup (April 2013)
Color of chemicals Mid Start2 January 2008References needed (January 2008), ... (November 2010)
Creosote Low B8 October 2016Failed verification (October 2016), Unsourced statements (January 2017, February 2017), Weasel words (January 2017), Style editing needed (January 2017), Weasel-worded phrases (January 2017), Vague or ambiguous geographic scope (January 2017), ... (January 2017)
Flame High B2 September 2009... (September 2009), Unsourced statements (April 2012)
Heat capacity High C6 August 2008Unsourced statements (August 2008, April 2010, February 2015), References needed (October 2013, February 2015), ... (February 2015)
Henderson–Hasselbalch equation Mid C4 February 2017Expert attention needed (February 2017), ... (February 2017), References needed (February 2017)
Hot plate Low Start3 October 2010References needed (October 2010, September 2013), ... (September 2013)
Hydrolysis Top C2 April 2017References needed (April 2017), ... (April 2017)
Inorganic compound High Start3 June 2014Unsourced statements (March 2016), Style editing needed (June 2014), ... (June 2014)
Liquid Top B4 October 2014References needed (October 2014), ... (October 2014), Unsourced statements (June 2017, July 2017)
List of chemical compounds with unusual names Mid List3 November 2013Unsourced statements (November 2013), Citation with accessdate and no URL, ... (August 2017)
List of reagents Mid List1 November 2014... (November 2014)
Monolithic HPLC column Low Start6 January 2011Style editing needed (January 2011), Unsourced statements (April 2015), BLP articles lacking sources (June 2014), ... (June 2014), Dead external links (April 2015), Reliable references lacking (September 2015)
Neutronium Low Start5 February 2013Reliable references lacking (February 2013), ... (February 2013), Clarification needed (April 2013), Unsourced statements (February 2017, June 2017)
Non-proteinogenic amino acids Mid C1 September 2013... (September 2013)
Nuclear magnetic resonance spectra database Low Start2 March 2012... (March 2012), References needed (June 2016)
Parafilm Low Stub3 November 2011Unsourced statements (April 2012), References needed (November 2011), ... (November 2011)
Peptide synthesis High C11 February 2013Unsourced statements (February 2013, November 2016), Weasel-worded phrases (November 2016), Vague or ambiguous time (November 2016), Obsolete information (November 2016), Update needed (November 2016), Reliable references lacking (November 2016), ... (November 2016), Factual verification needed (November 2016), References needed (November 2016, June 2017)
Plumber's putty Low Stub2 October 2013... (October 2013), References needed (June 2016)
Polyol Mid Start5 August 2015Expert attention needed (August 2015), ... (August 2015), Expansion needed (August 2015), Accuracy disputes (August 2015)
Q-carbon Low Start4 December 2015Expert attention needed (January 2017), ... (December 2015), Clarification needed (January 2017)
Sabatier reaction Mid Start3 July 2013Unsourced statements (July 2013, March 2014), ... (March 2014)
Soft chemistry Low Start3 April 2010... (April 2010), Expansion needed (May 2010), Orphaned (September 2010)
Spencer Silver Low Start2 October 2009... (October 2009), BLP articles lacking sources (October 2009)
Tung oil Low Start5 August 2013Unsourced statements (October 2015, August 2013, December 2016, May 2017), ... (September 2015)
Wet nanotechnology Low Start5 May 2012Style editing needed (May 2012), ... (May 2012), Citation with bare URL, Citation lacking title, Citation with accessdate and no URL
Zeolitic imidazolate framework Low Start1 May 2017... (May 2017)

Peacock terms (8)

ArticleImportanceClassCount OldestIssues
Cone calorimeter Low Start6 April 2013Cleanup needed (April 2013, April 2013), ... (May 2014), Promotional tone (May 2014), Wikilinks needed (May 2014), Reference cleanup (May 2014)
DNA computing Low C4 June 2015Unsourced statements (June 2015), Dead external links (July 2015), ... (September 2015), Weasel words (September 2015)
John Bockris Low Start3 May 2015References needed (September 2015), Reference cleanup (May 2015), ... (September 2015)
Joseph Thomas Walker Low Start3 March 2015References needed (March 2015), Orphaned (May 2015), ... (March 2015)
Klaus-Dieter Hungenberg Low Start5 September 2013Reliable references lacking (November 2013), Orphaned (September 2013), ... (November 2013), Reference errors, Dead external links (May 2017)
Photocatalytic water splitting Mid C3 April 2012Unsourced statements (April 2012), ... (May 2012), Reliable references lacking (January 2017)
Quantemol-DB Low Start7 April 2017Conflict of interest (April 2017), ... (April 2017), Reference cleanup (April 2017), Unsourced statements (July 2017), Merge needed (July 2017), Weasel-worded phrases (July 2017), Clarification needed (July 2017)
Sourav Pal Low Start3 June 2010... (June 2010), BLP articles lacking sources (June 2010), Autobiographical articles (June 2010)

Promotional tone (19)

ArticleImportanceClassCount OldestIssues
Amco Batteries Low Start1 August 2016... (August 2016)
Assugrin Low Start1 May 2015... (May 2015)
Biobor Low Start2 June 2010References needed (June 2010), ... (August 2011)
Cone calorimeter Low Start6 April 2013Cleanup needed (April 2013, April 2013), Peacock terms (May 2014), ... (May 2014), Wikilinks needed (May 2014), Reference cleanup (May 2014)
Drugwipe test Low Start2 July 2009Orphaned (July 2009), ... (February 2017)
Eurokin Low Stub3 October 2010Reliable references lacking (October 2010), ... (October 2010), Orphaned (October 2010)
Firefighting foam Mid Start3 October 2008Detailed references needed, In-text citations lacking (October 2008), ... (February 2015)
HORTON (software) Low Stub3 June 2015Sources lacking (June 2015), Notability unclear (June 2015), ... (June 2015)
Jaguar (software) Low Stub2 October 2013Notability unclear (October 2013), ... (October 2013)
Jerome J. Workman, Jr. Low Start4 October 2013Dead external links (October 2013), Citation with bare URL, Citation lacking title, ... (January 2015)
Kaneka Corporation Low Start1 May 2015... (May 2015)
Mixed oxidant Low Start6 September 2015Expert attention needed (September 2015), Reliable references lacking (October 2015), ... (September 2015), Too technical (September 2015), Orphaned (June 2016)
PRO/II Low Stub2 August 2009Notability unclear (August 2009), ... (January 2012)
Polybenzimidazole fiber Low Start4 August 2013Unsourced statements (August 2013, November 2014), ... (May 2014), DOIs inactive (2017)
Pseudo palladium Low Start1 December 2016... (December 2016)
Qlucore Low Stub1 August 2016... (August 2016)
Roy A. Periana Low Start4 July 2012Vague or ambiguous time (July 2012), Cleanup needed (July 2012), Prose needed (July 2012), ... (August 2014)
Santoprene Low Start1 November 2014... (November 2014)
Valerie Ashby Low Start4 April 2016Introduction cleanup (April 2016), ... (April 2016), Reliable references lacking (April 2016), BLP articles lacking sources (August 2016)

Spam cleanup (6)

ArticleImportanceClassCount OldestIssues
Biosafety Low B2 February 2017... (February 2017), External link cleanup (February 2017)
Cheminformatics Mid Start2 June 2013External link cleanup (June 2013), ... (June 2013)
Matthew Linford Low Start4 April 2012BLP articles lacking sources (April 2012), Style editing needed (April 2012), External link cleanup (December 2012), ... (December 2012)
Measurement uncertainty Mid Start2 December 2014... (December 2014), Unsourced statements (December 2015)
Quantum Monte Carlo Low Start2 October 2016... (October 2016), External link cleanup (October 2016)
Simplified molecular-input line-entry system Low Start2 September 2012External link cleanup (September 2012), ... (September 2012)

Viewpoints needed (1)

ArticleImportanceClassCount OldestIssues
Herbicide High C12 1992Potentially dated statements (1992), References needed (August 2011), Unsourced statements (August 2011, June 2014, January 2015, May 2017), Weasel-worded phrases (July 2010, December 2012), Page number citations needed (January 2013), CS1 errors: dates, Expansion needed (December 2015), ... (October 2015)

Weasel-worded phrases (64)

ArticleImportanceClassCount OldestIssues
Acyl group High Start1 January 2014... (January 2014)
American Chemistry Council Low Start5 December 2008References needed (December 2008), Unsourced statements (October 2011), NPOV disputes (October 2011), ... (October 2011), Obsolete information (October 2011)
BKChem Low Stub3 August 2011Reliable references lacking (August 2011), ... (January 2014), Notability unclear (May 2015)
Benzhydryl compounds Mid Stub1 January 2016... (January 2016)
Binary compounds of hydrogen Mid Start1 November 2015... (November 2015)
Black liquor Low Start4 June 2009Unsourced statements (June 2009, August 2013), Dead external links (October 2010), ... (April 2013)
Bond hardening Low Start2 May 2017Unsourced statements (May 2017), ... (May 2017)
Bromley equation Low Start1 December 2015... (December 2015)
Cahn–Ingold–Prelog priority rules Mid Start6 February 2016Unsourced statements (February 2016), References needed (February 2016), Cleanup needed (February 2016, March 2017), Clarification needed (February 2016), ... (February 2016)
Carbon–hydrogen bond activation Mid C1 December 2013... (December 2013)
Charles Sanders Peirce Low B1 March 2013... (March 2013)
Charring Low Start3 October 2009Sources lacking (October 2009), Unsourced statements (October 2014), ... (October 2014)
Chemical ecology Low Stub8 March 2017Detailed references needed, Expert attention needed (March 2017), Unsourced statements (March 2017), ... (March 2017), Self-contradictory articles (March 2017), Clarification needed (March 2017), Reliable references lacking (March 2017)
Chemical industry Mid Start7 June 2008References needed (June 2008), Unsourced statements (June 2008, May 2010, May 2016), ... (November 2010), Introduction cleanup (December 2015), Citation with accessdate and no URL
Chemical warfare Mid C6 April 2010Unsourced statements (November 2010, April 2010, April 2017), ... (November 2010), Disputed statements (May 2015), Dead external links (May 2016)
Click chemistry Low C2 May 2012Clarification needed (May 2012), ... (August 2017)
Column chromatography Low Start1 August 2017... (August 2017)
Creosote Low B8 October 2016Failed verification (October 2016), Unsourced statements (January 2017, February 2017), Weasel words (January 2017), Style editing needed (January 2017), ... (January 2017), Vague or ambiguous geographic scope (January 2017), Original research (January 2017)
Derek Barton High Start3 December 2015Unsourced statements (December 2015), Vague or ambiguous time (December 2015), ... (December 2015)
Dissolution (chemistry) High Start11 December 2009Reliable references lacking (December 2009), Expert attention needed (June 2015), Unsourced statements (June 2015), References needed (June 2015), ... (June 2015), Cleanup needed (June 2015, June 2015), Disputed statements (June 2015), Clarification needed (June 2015), Merge needed (December 2016)
Effective molarity Low Stub3 June 2016Unsourced statements (June 2016), Clarification needed (June 2016), ... (June 2016)
Electroanalytical methods High Start2 December 2016Unsourced statements (December 2016), ... (December 2016)
Enantioselective synthesis High Start4 July 2014Unsourced statements (July 2014), Factual verification needed (July 2014), ... (July 2014), Dead external links (December 2016)
Energy level High Start3 December 2009References needed (December 2009), ... (January 2014), Clarification needed (May 2014)
Extended periodic table Low B6 April 2011Expert attention needed (December 2011), Unsourced statements (February 2012), Potentially dated statements (April 2011), ... (October 2011), Dead external links (October 2016)
Force field (chemistry) Mid C3 May 2010Unsourced statements (May 2010, August 2012), ... (May 2010)
Functionalized polyolefins Mid Start5 March 2016Expert attention needed (March 2016), Reliable references lacking (March 2016), ... (March 2016), Orphaned (May 2016)
Galvanization Mid Start5 May 2012References needed (May 2012), Unsourced statements (March 2013, February 2017), ... (March 2013), Clarification needed (February 2017)
Gaseous signaling molecules High B5 September 2013Unsourced statements (September 2013, February 2014), ... (September 2013), Expansion needed (March 2016), DOIs inactive (2017)
Globally Harmonized System of Classification and Labelling of Chemicals Mid Start8 May 2008Style editing needed (May 2008), In-text citations lacking (September 2013), CS1 errors: dates, Dead external links (September 2016), Vague or ambiguous time (February 2017), Unsourced statements (February 2017), ... (February 2017), References needed (February 2017)
Glycoprotein High Start3 December 2007Unsourced statements (December 2007, March 2017), ... (March 2017)
Gold cyanidation Low C2 February 2012... (February 2012), Unsourced statements (April 2017)
Herbicide High C12 1992Potentially dated statements (1992), References needed (August 2011), Unsourced statements (August 2011, June 2014, January 2015, May 2017), ... (July 2010, December 2012), Page number citations needed (January 2013), CS1 errors: dates, Expansion needed (December 2015), Viewpoints needed (October 2015)
Higher alkanes Low Start1 January 2013... (January 2013)
Hydrogenated starch hydrolysates Low Start1 May 2009... (May 2009)
Ilya Prigogine High C5 October 2010Unsourced statements (March 2012, March 2015, April 2017), In-text citations lacking (October 2010), ... (December 2013)
Industrial Bio-Test Laboratories Low C2 February 2013... (February 2013), Page number citations needed (February 2013)
Jabir ibn Hayyan Mid B7 May 2009Unsourced statements (May 2009, July 2014, March 2014), Factual verification needed (June 2011), ... (July 2014), Dead external links (June 2017, August 2017)
Keck asymmetric allylation Mid C2 July 2017... (July 2017), Orphaned (August 2017)
Leo Paquette Low Start7 January 2016Reliable references lacking (January 2016), Unsourced statements (January 2016), ... (January 2016), BLP articles lacking sources (April 2016, January 2016), Factual verification needed (January 2016), Vague or ambiguous time (January 2016)
List of unsolved problems in chemistry Low List9 November 2011References needed (December 2014), Expert attention needed (November 2011), Accuracy disputes (November 2011, December 2014), Unsourced statements (December 2014), Reliable references lacking (December 2014), ... (December 2014), Factual verification needed (December 2014)
Marcellin Berthelot Mid Start2 December 2014Unsourced statements (December 2014), ... (October 2016)
Melamine foam Low Start8 January 2016Unsourced statements (May 2016), Expansion needed (May 2016), Vague or ambiguous time (May 2016, January 2016), References needed (May 2016), Reliable references lacking (May 2016), ... (May 2016), Clarification needed (May 2016)
Metal-organic framework Mid B3 February 2014Clarification needed (February 2014), Copy edit needed (September 2017), ... (September 2017)
Nanocellulose High B7 May 2013Unsourced statements (October 2014, March 2017), Clarification needed (May 2013, March 2017), Page number citations needed (March 2017), ... (March 2017), Reliable references lacking (March 2017)
Natalie Ahn Low Stub1 December 2016... (December 2016)
Noble gas compound Mid C9 January 2015Cleanup needed (January 2015, January 2015), References needed (January 2015), Expansion needed (January 2015), Reliable references lacking (January 2015), Unsourced statements (January 2015), ... (January 2015), Vague or ambiguous time (January 2015), Factual verification needed (January 2015)
Nuclear transmutation Low C2 March 2014Unsourced statements (February 2016), ... (March 2014)
Organophosphate High C3 March 2017Unsourced statements (March 2017), ... (March 2017), Clarification needed (March 2017)
Oxidative coupling of methane Low Start2 September 2013Unsourced statements (September 2013), ... (September 2013)
PQS (chemical) Low Stub1 April 2017... (April 2017)
Peptide synthesis High C11 February 2013Unsourced statements (February 2013, November 2016), ... (November 2016), Vague or ambiguous time (November 2016), Obsolete information (November 2016), Update needed (November 2016), Reliable references lacking (November 2016), Original research (November 2016), Factual verification needed (November 2016), References needed (November 2016, June 2017)
Polyfluorene Low C1 September 2011... (September 2011)
Polylactic acid Low C3 March 2014... (March 2014), References needed (June 2015), Disputed statements (June 2015)
Quantemol-DB Low Start7 April 2017Conflict of interest (April 2017), Peacock terms (April 2017), Reference cleanup (April 2017), Unsourced statements (July 2017), Merge needed (July 2017), ... (July 2017), Clarification needed (July 2017)
Saran (plastic) Mid Start1 April 2015... (April 2015)
Steel High GA5 December 2014Rewrite needed (December 2014), Vague or ambiguous time (October 2015), Clarification needed (April 2016), ... (October 2016), Unsourced statements (January 2017)
Superhydrophobic coating Low C6 June 2013Unsourced statements (February 2015, June 2013, February 2014, July 2014), ... (July 2014), Disputed statements (July 2014)
Tetraanthraporphyrin Low Start4 February 2014Unsourced statements (February 2014), Introduction cleanup (February 2014), ... (February 2014), Context needed (February 2014)
Total synthesis Mid Start6 August 2015Expert attention needed (March 2017), Unsourced statements (August 2015), ... (March 2017), Dead external links (March 2017), Vague or ambiguous time (March 2017)
Tributyltin Mid Start4 July 2016CS1 errors: dates, Dead external links (July 2016), Unsourced statements (July 2017), ... (July 2017)
Water vapor Mid B4 June 2017Citation with bare URL, Citation lacking title, CS1 errors: dates, ... (June 2017)
Windshield washer fluid Low Start7 June 2010Detailed references needed, Unsourced statements (August 2010, November 2010), Clarification needed (June 2010), References needed (January 2016), ... (January 2016), In-text citations lacking (January 2017)
Young–Laplace equation High Start2 April 2012... (April 2012), Merge needed (August 2017)

References

BLP articles lacking sources (57)

ArticleImportanceClassCount OldestIssues
Anthony F. Hill Low Start2 May 2010Reliable references lacking (May 2010), ... (May 2010)
Augustine Ong Low Stub1 June 2013... (June 2013)
Ayhan Ulubelen Low Start7 May 2012Detailed references needed, Unsourced statements (July 2013), ... (May 2012), Clarification needed (May 2012, July 2013), Vague or ambiguous time (July 2013), Dead external links (October 2016)
Bogumił Brzezinski Low Stub1 February 2013... (February 2013)
Colin Vincent Low Stub1 June 2010... (June 2010)
Curt Wittig Low Start5 June 2010Cleanup needed (May 2011, May 2011), Orphaned (June 2010), ... (May 2011), Conflict of interest (May 2011)
David S. Cafiso Low Start1 August 2009... (August 2009)
Denis Evans Low Start2 August 2015... (August 2015), In-text citations lacking (August 2015)
Efstratios N. Pistikopoulos Low Start2 June 2015... (June 2015), Orphaned (May 2016)
Faten Zahran Mohammed Low Stub2 January 2011... (January 2011), Dead external links (December 2016)
Gary E. Martin Low Start2 April 2011Reliable references lacking (April 2011), ... (April 2011)
George M. Martin Low Stub1 November 2009... (November 2009)
Giridhar Madras Low Start3 November 2016Unsourced statements (November 2016), Introduction cleanup (November 2016), ... (November 2016)
Gustavo Scuseria Low Stub3 May 2015Reliable references lacking (May 2015), ... (May 2015), Orphaned (June 2016)
Hilary Lappin-Scott Low C1 July 2013... (July 2013)
Irina Beletskaya Low Stub1 November 2012... (November 2012)
Itamar Procaccia Unknown Stub1 July 2017... (July 2017)
James Bassham Low Stub1 September 2010... (September 2010)
Janet Kreizman Low Stub3 November 2013Wikilinks needed (December 2013), Orphaned (November 2013), ... (June 2016)
Jean Fréchet Low Stub1 February 2013... (February 2013)
Jean-Marie Basset Low Stub2 March 2010... (March 2010), Unsourced statements (February 2014)
Jeehiun Lee Low Stub4 February 2009Orphaned (February 2009), ... (November 2012), Reliable references lacking (November 2012), Notability unclear (November 2012)
Jeffery W. Kelly Low Start1 December 2010... (December 2010)
Jesús Jiménez Barbero Low Stub3 May 2016Reliable references lacking (May 2016), In-text citations lacking (May 2016), ... (May 2016)
Jing Li (chemist) Low Start3 November 2012... (November 2012), Reliable references lacking (November 2012), In-text citations lacking (November 2012)
Joanna Fowler Mid Start5 November 2012Expansion needed (December 2012), ... (November 2012), In-text citations lacking (November 2012), Citation with bare URL, Citation lacking title
Joanna Maria Vandenberg Unknown Start1 August 2017... (August 2017)
John H. Seinfeld Low Stub5 July 2009Style editing needed (July 2009), Cleanup needed (July 2009, July 2009), ... (October 2011), Notability unclear (October 2011)
John Isaiah Brauman Low Start1 June 2013... (June 2013)
Joyce Jacobson Kaufman Low Start1 November 2012... (November 2012)
Julia R. Burdge Low Start5 March 2011Reliable references lacking (March 2011), ... (March 2011, September 2012), Orphaned (September 2012), Accuracy disputes (September 2012)
Keith Hodgson Low Start1 February 2013... (February 2013)
Lars Walløe Low Start4 October 2011Cleanup needed (October 2011, October 2011), ... (March 2015), Accuracy disputes (March 2015)
Leo Paquette Low Start7 January 2016Reliable references lacking (January 2016), Unsourced statements (January 2016), Weasel-worded phrases (January 2016), ... (April 2016, January 2016), Factual verification needed (January 2016), Vague or ambiguous time (January 2016)
Mao Gao-wen Low Stub1 August 2009... (August 2009)
Maria C. Tamargo Low Stub3 February 2009Orphaned (February 2009), ... (June 2013), Expansion needed (August 2017)
Mark Eberhart Low Stub2 January 2011Orphaned (January 2011), ... (February 2011)
Mark Ratner Low Start1 February 2013... (February 2013)
Matthew Linford Low Start4 April 2012... (April 2012), Style editing needed (April 2012), External link cleanup (December 2012), Spam cleanup (December 2012)
Michael Kasha Low Stub2 February 2013... (February 2013), Unsourced statements (August 2017)
Milton L. Lee Low Stub3 April 2014Reliable references lacking (April 2014), ... (April 2014), Wikilinks needed (April 2016)
Monolithic HPLC column Low Start6 January 2011Style editing needed (January 2011), Unsourced statements (April 2015), ... (June 2014), Original research (June 2014), Dead external links (April 2015), Reliable references lacking (September 2015)
Philippe Guyot-Sionnest Low Stub3 August 2010Reliable references lacking (September 2010), Orphaned (August 2010), ... (September 2010)
Piero Baglioni Low Start1 February 2013... (February 2013)
Renad Zhdanov Mid Start4 June 2017CS1 errors: dates, Reliable references lacking (June 2017), ... (June 2017), Orphaned (August 2017)
Roger Festa Low Stub2 May 2010Unsourced statements (May 2013), ... (May 2010)
Ryoo Ryong Low Start3 December 2011... (December 2011), Citation with bare URL, Citation lacking title
Seymour Ehrenpreis Low Stub2 October 2009Reliable references lacking (October 2009), ... (October 2009)
Sourav Pal Low Start3 June 2010Peacock terms (June 2010), ... (June 2010), Autobiographical articles (June 2010)
Spencer Silver Low Start2 October 2009Original research (October 2009), ... (October 2009)
Timothy F. Jamison Low Start3 December 2011... (December 2011), Unsourced statements (December 2013), Orphaned (August 2017)
Tullio Ilomets Low Start2 April 2017Notability unclear (April 2017), ... (April 2017)
Uma Chowdhry Mid Start1 December 2014... (December 2014)
Valerie Ashby Low Start4 April 2016Introduction cleanup (April 2016), Promotional tone (April 2016), Reliable references lacking (April 2016), ... (August 2016)
Wilma Olson Low Start2 November 2012... (November 2012), Reliable references lacking (November 2012)
You Xiaozeng Low Stub1 November 2016... (November 2016)
Yuri Lvov Low Start3 August 2017Vague or ambiguous time (August 2017), ... (August 2017), Unsourced statements (August 2017)

Broken or outdated citations (1)

ArticleImportanceClassCount OldestIssues
Diazenylium Low C2 November 2015... (November 2015), Dead external links (September 2017)

CS1 errors: chapter ignored (15)

ArticleImportanceClassCount OldestIssues
Alkenylsuccinic anhydride Mid Stub1
Biomonitoring Mid C7 April 2012Page number citations needed (April 2012), Unsourced statements (April 2016), Expansion needed (April 2016), Limited geographic scope (April 2016), Reliable references lacking (April 2016), Vague or ambiguous geographic scope (April 2016)
Fast protein liquid chromatography Low Start1
Flavonoid Mid Start1
Fluoride High C4 April 2015Unsourced statements (April 2015, July 2016), Page number citations needed (July 2016)
Illite crystallinity Low Start1
LOLI Database Low Stub1
Lead–acid battery Mid C6 July 2013Unsourced statements (December 2013), References needed (December 2013), Clarification needed (July 2013), CS1 errors: dates, Dead external links (December 2016)
List of ions Mid List1
Lycopodium powder Low Start2 September 2011Unsourced statements (September 2011)
Ocean chemistry Low C1
Polychlorinated dibenzodioxins High B2 April 2007Unsourced statements (April 2007)
Salinosporamide Low Stub1
Timeline of chemical element discoveries Mid C2 September 2010Dead external links (September 2010)
Vibrational circular dichroism Low Start1

CS1 errors: dates (68)

ArticleImportanceClassCount OldestIssues
Arie Jan Haagen-Smit Low Start1
Athula Attygalle Low Start2 Citation with accessdate and no URL
Azine Low Start1
Bruce J. Tromberg Low Start2 Web citation with no URL
Carbon-based life Mid Start5 March 2015References needed (March 2015), Unsourced statements (March 2015, April 2015), Expansion needed (August 2015)
Charles Goodyear Medal Low List2 August 2016Reliable references lacking (August 2016)
Chemical defense Low Stub2 Citation with accessdate and no URL
Chemistry Top B3 July 2010Reliable references lacking (July 2010), References needed (September 2014)
Chemophobia Low Start1
Clyde cancer cluster Low Start8 December 2015References needed (December 2015), Expansion needed (January 2016), Reliable references lacking (December 2015), CS1 errors: external links, NPOV disputes (January 2016), Accuracy disputes (January 2016), Rewrite needed (January 2016)
Continuous foam separation Low C1
Copper indium gallium selenide solar cells Low C2 CS1 errors: external links
Cubosome Low Start2 April 2016Orphaned (April 2016)
Deoxidized steel Low Start1
Emixustat hydrochloride Low C1
Energy harvesting Low B4 February 2011Factual verification needed (February 2011), Accuracy disputes (February 2014), Unsourced statements (August 2016)
Filter press Low C2 July 2017Clarification needed (July 2017)
Friedrich Oskar Giesel Low C1
Galvanic corrosion Mid C2 January 2011Page number citations needed (January 2011)
Gas to liquids Low Start2 December 2008References needed (December 2008)
Globally Harmonized System of Classification and Labelling of Chemicals Mid Start8 May 2008Style editing needed (May 2008), In-text citations lacking (September 2013), Dead external links (September 2016), Vague or ambiguous time (February 2017), Unsourced statements (February 2017), Weasel-worded phrases (February 2017), References needed (February 2017)
Herbicide High C12 1992Potentially dated statements (1992), References needed (August 2011), Unsourced statements (August 2011, June 2014, January 2015, May 2017), Weasel-worded phrases (July 2010, December 2012), Page number citations needed (January 2013), Expansion needed (December 2015), Viewpoints needed (October 2015)
High-level radioactive waste management Low GA2 May 2016Update needed (May 2016)
History of chemistry High B7 August 2007Unsourced statements (August 2007, June 2008, May 2010, August 2012), Factual verification needed (June 2010), Web citation with no URL
Hydrazone Low Start1
Hydrothermal liquefaction Low Stub1
Ice crystals Mid Stub2 March 2015References needed (March 2015)
Jeremias Benjamin Richter Low Start4 November 2009In-text citations lacking (November 2009, January 2014), Disputed statements (April 2014)
Jones oxidation Mid C1
Leaching (chemistry) Mid Start2 April 2016Failed verification (April 2016)
Lead–acid battery Mid C6 July 2013Unsourced statements (December 2013), References needed (December 2013), Clarification needed (July 2013), CS1 errors: chapter ignored, Dead external links (December 2016)
Leo Baekeland Low C1
M. Vijayan Low Start1
Marcus theory Mid C2 June 2017Dead external links (June 2017)
Mass attenuation coefficient Mid Start1
Materials science High C2 August 2014Unsourced statements (August 2014)
Mechanochemistry Low Start1
Molecular sieve Mid Start2 February 2014Unsourced statements (February 2014)
Muhammad ibn Zakariya al-Razi Low C7 November 2010Unsourced statements (October 2012, November 2016), References needed (May 2012), Factual verification needed (November 2010), Web citation with no URL, Citation with accessdate and no URL
Nickel titanium Mid Start2 January 2017Clarification needed (January 2017)
Nickel–metal hydride battery Low C5 2005Potentially dated statements (2005), References needed (July 2015), Clarification needed (January 2013), Unsourced statements (June 2015)
Nuclear isomer Mid C3 August 2009Unsourced statements (August 2009), Copy edit needed (March 2017)
OMEGA process Low Start1
Oxygen scavenger Mid C2 July 2014Expansion needed (July 2014)
Paint stripper Low Start3 May 2013Unsourced statements (May 2013), References needed (June 2013)
Photoelectron photoion coincidence spectroscopy Low C1
Photopolymer Low C1
Polarizable continuum model Low Start1
Polybrominated diphenyl ethers Mid C3 September 2011Unsourced statements (May 2013), Dead external links (September 2011)
Polycyclic aromatic hydrocarbon High B7 January 2014Detailed references needed, Unsourced statements (June 2014, July 2017), Clarification needed (January 2014, June 2014), Links needing disambiguation (August 2017)
Quaternary ammonium cation Mid Start4 January 2013Unsourced statements (January 2013, September 2015), Clarification needed (August 2014)
Renad Zhdanov Mid Start4 June 2017Reliable references lacking (June 2017), BLP articles lacking sources (June 2017), Orphaned (August 2017)
Rotational spectroscopy Mid C1
Schikorr reaction Low C1
Scott E. Denmark Low Stub1
Single-molecule magnet Low B1
Spin chemistry Low Stub1
Superheated water Mid B3 October 2010Dead external links (October 2010, January 2017)
Surface-tension values Low List1
Thiourea organocatalysis Low Start1
Thomson Reuters Citation Laureates Low Start1
Torbern Bergman Mid Start1
Tributyltin Mid Start4 July 2016Dead external links (July 2016), Unsourced statements (July 2017), Weasel-worded phrases (July 2017)
Upsalite Low Stub3 Citation with bare URL, Citation lacking title
Vaporized hydrogen peroxide Low Start1
Vortex mixer Mid Start1
Water vapor Mid B4 June 2017Citation with bare URL, Citation lacking title, Weasel-worded phrases (June 2017)
Zinc–air battery Mid C3 June 2009Unsourced statements (June 2009), Citation with accessdate and no URL

CS1 errors: external links (42)

ArticleImportanceClassCount OldestIssues
Acrylic paint Low Start4 November 2009References needed (November 2009), Original research (June 2010), Unsourced statements (February 2017)
Allethrins Low Start2 March 2014In-text citations lacking (March 2014)
Baeyer–Villiger oxidation Mid B1
CHON Low Start1
Chromium-vanadium steel Low Stub1
Clyde cancer cluster Low Start8 December 2015CS1 errors: dates, References needed (December 2015), Expansion needed (January 2016), Reliable references lacking (December 2015), NPOV disputes (January 2016), Accuracy disputes (January 2016), Rewrite needed (January 2016)
Coordination polymerization Low Start1
Copper indium gallium selenide solar cells Low C2 CS1 errors: dates
Corran McLachlan Low Start1
Critical Reviews in Clinical Laboratory Sciences Low Start1
Desorption atmospheric pressure photoionization Low C1
Enamine Mid Start4 Citation lacking title, Web citation with no URL, Citation with accessdate and no URL
Energetically modified cement Low Start2 March 2014Clarification needed (March 2014)
Gas bubbler Low Start1
Glow stick Low Start1
Halohydrin Low Start1
Heinrich Wieland Prize Low List1
Helen Murray Free Mid Start1
Herman Schlundt Low Stub1
Hungarian Chemical Society Low Stub1
Hypothetical types of biochemistry Low Start4 1998Potentially dated statements (1998), Unsourced statements (January 2012, February 2014)
International Year of Crystallography Low Stub3 January 2014Notability unclear (January 2014), References needed (January 2014)
Kraft process Mid C1
Liquid metal Low Start4 April 2015Citation with format and no URL, References needed (April 2015), Style editing needed (April 2015)
List of methylphenidate analogues Low List1
Makhluf Haddadin Low Stub1
Organic and Biomolecular Chemistry Low Start1
Pharmaceutical industry Mid C6 June 2015Unsourced statements (November 2015, June 2015), Citation with accessdate and no URL, Clarification needed (June 2015), Limited geographic scope (August 2015)
Polymer High B2 May 2009Unsourced statements (May 2009)
Pourbaix diagram Low Start1
Reviews in Mineralogy and Geochemistry Low Stub4 May 2017Web citation with no URL, Citation with accessdate and no URL, References needed (May 2017)
Rudolph Pariser Low Stub1
Sigma-Aldrich Low Start3 September 2013References needed (November 2014), Reliable references lacking (September 2013)
Soft Matter (journal) Low Start1
Solvothermal synthesis Mid Start1
Stephanie Kwolek Mid C1
Surface-assisted laser desorption/ionization Low C1
Surfactant Mid C5 January 2011Unsourced statements (January 2011, April 2016), Cleanup needed (August 2013), Prose needed (August 2013)
Thermoplastic polyurethane Low Start4 September 2010Expert attention needed (September 2010), Too technical (September 2010)
Thomas Poon Low Start3 Citation lacking title, Web citation with no URL
Trimethylsilyl Low Start1
Yulia Sister Low B1

CS1 errors: invisible characters (5)

ArticleImportanceClassCount OldestIssues
Jaroslav Heyrovský Mid B1
Molecule mining Low Start1
Persistent carbene Mid GA2 December 2009Unsourced statements (December 2009)
Phase-change material Low Start4 September 2012Introduction cleanup (September 2012), Citation with bare URL, Citation lacking title
Phenols Mid C2 March 2013Unsourced statements (March 2013)

CS1 errors: missing author or editor (9)

ArticleImportanceClassCount OldestIssues
Cis effect Mid Start1
Dioxins and dioxin-like compounds High Start3 March 2016Citation lacking title, Unsourced statements (March 2016)
John Rex Whinfield Low Start1
McFadyen–Stevens reaction Mid Start1
Nanoparticle High C4 April 2015Citation with format and no URL, Citation has redundant parameters, Unsourced statements (April 2015)
Neil Bartlett (chemist) Mid Start1
Paracelsus High C4 June 2017Unsourced statements (June 2017), Disputed statements (June 2017), Clarification needed (August 2017)
Periodic graph (crystallography) Low C3 October 2010Unsourced statements (October 2010), Citation lacking title
Surface hopping Low B1

CS1 errors: translated title (1)

ArticleImportanceClassCount OldestIssues
Van der Waals force High C4 June 2017Expert attention needed (June 2017), Too technical (June 2017)

Citation has redundant parameters (5)

ArticleImportanceClassCount OldestIssues
18-electron rule Mid B1
Electron affinity (data page) Low List1
Irwin Fridovich Low Start1
Nanoparticle High C4 April 2015Citation with format and no URL, Unsourced statements (April 2015), CS1 errors: missing author or editor
Philip Coppens (chemist) Low Stub1

Citation lacking title (115)

ArticleImportanceClassCount OldestIssues
Alexey Favorsky Mid Stub1
Alum High B10 November 2008Unsourced statements (November 2008, May 2009, October 2014, April 2016, December 2014, June 2016, September 2016, January 2017), Citation with bare URL
Artificial enzyme Mid Start2 Citation with bare URL
Austin Bide Low Stub3 August 2015Citation with bare URL, In-text citations lacking (August 2015)
BODIPY Low Start1
Behavior of nuclear fuel during a reactor accident Low C5 May 2013Expansion needed (May 2013), Citation with bare URL, Dead external links (May 2016, October 2016)
Birch reduction High B2 January 2017Unsourced statements (January 2017)
Blaise ketone synthesis Mid Stub1
Brian Stoltz Low Stub2 Citation with bare URL
Cage effect Low Stub1
Centrifugal evaporator Low Start4 September 2007References needed (September 2007), Unsourced statements (November 2015), Citation with bare URL
ChemSpider Low Start1
Chemical nomenclature Top C1
Chemical thermodynamics High C1
Chicken wire (chemistry) Low Start5 November 2007Unsourced statements (November 2007), Citation with bare URL, Dead external links (May 2016, November 2016)
Chrome plating Mid C2 Citation with bare URL
Combes quinoline synthesis Low Start1
Conjugated microporous polymer Low B1
Corexit Low Start3 August 2014Citation with bare URL, Reliable references lacking (August 2014)
Crystal Growth & Design Low Start1
Demjanov rearrangement Mid Start1
Desulfonylation reactions Mid B1
Dioxins and dioxin-like compounds High Start3 March 2016Unsourced statements (March 2016), CS1 errors: missing author or editor
Education in Chemistry Low Stub2 March 2015References needed (March 2015)
Electronegativity High B1
Enamine Mid Start4 Web citation with no URL, Citation with accessdate and no URL, CS1 errors: external links
Entropic explosion Low Stub3 June 2017Citation with bare URL, Links needing disambiguation (June 2017)
Flocculation Mid Start1
Fluorocarbon Mid Start3 February 2016Merge needed (February 2016), Unsourced statements (May 2017)
Friedel–Crafts reaction Mid B3 December 2011Unsourced statements (December 2011, June 2017)
Fétizon oxidation Low Start1
Gerhard Krüss Low Start1
Glycosidic bond Mid C2 May 2014References needed (May 2014)
Harry L. Fisher Low Start1
Hervé This Low Start3 May 2013Unsourced statements (May 2013), Citation with bare URL
Hofmann–Löffler reaction Mid Start1
Hydrogel encapsulation of quantum dots Low C1
Hypervalent molecule Mid C1
Ionic liquid High B4 April 2016Unsourced statements (April 2016, October 2016, June 2017)
Jerome J. Workman, Jr. Low Start4 October 2013Dead external links (October 2013), Citation with bare URL, Promotional tone (January 2015)
Joanna Fowler Mid Start5 November 2012Expansion needed (December 2012), BLP articles lacking sources (November 2012), In-text citations lacking (November 2012), Citation with bare URL
Keller's reagent Low Stub2 Citation with format and no URL
Kinetic resolution Mid C1
Kostanecki acylation Low Stub1
Kulinkovich reaction Mid C1
Langmuir adsorption model Mid C2 Citation with accessdate and no URL
Liebermann reagent Low Start2 Citation with bare URL
Liquid–liquid extraction Mid C5 March 2014Unsourced statements (May 2014), References needed (March 2014, May 2014), Citation with bare URL
Lithium polymer battery Low C5 December 2010References needed (December 2010), Unsourced statements (June 2014, March 2017), Citation with bare URL
London dispersion force Mid Start1
Malleable iron Low Start1
Marker degradation Mid Start1
Mesoporous organosilica Low C2 August 2016Reliable references lacking (August 2016)
Metal carbonyl Mid C1
Michaelis–Arbuzov reaction Mid Start1
N-Sulfinyl imine Low C1
NHC-Palladium Complexes Low Start2 Citation with bare URL
Nature Top GA6 February 2010Unsourced statements (February 2010, April 2010, July 2017), Citation with bare URL, Dead external links (September 2017)
Nazarov cyclization reaction Mid GA1
Nenitzescu indole synthesis Mid Stub1
Nitrite Mid Start1
Optical brightener Mid Start3 April 2017Citation with bare URL, Unsourced statements (April 2017)
Organoaluminium chemistry Mid Start2 Citation with accessdate and no URL
Oxaziridine Low GA1
Oxidation of primary alcohols to carboxylic acids Mid Start1
Oxyanion Mid C1
Parylene Low Start1
Periodic graph (crystallography) Low C3 October 2010Unsourced statements (October 2010), CS1 errors: missing author or editor
Peter Atkins Low Start2 Citation with bare URL
Phase-change material Low Start4 September 2012Introduction cleanup (September 2012), Citation with bare URL, CS1 errors: invisible characters
Photofragment-ion imaging Mid Start2 April 2017Expansion needed (April 2017)
Polonide Low Start1
Polymer brush Low Start3 December 2009References needed (December 2009), Expansion needed (March 2013)
Propellane Low C1
Proteinoid Low Start4 December 2009References needed (December 2009), Unsourced statements (March 2014, September 2017)
Pseudoenzyme Low Start2 Citation with bare URL
Purified water Mid Start5 February 2016Unsourced statements (February 2016), Citation with bare URL, Citation with format and no URL, Dead external links (June 2016)
Ramberg–Bäcklund reaction Mid Start2 July 2017Unsourced statements (July 2017)
Reductions with samarium(II) iodide Low B1
Reed reaction Mid Stub1
Reformatsky reaction Mid Start1
Reissert reaction Mid Stub1
Resonance (chemistry) High C5 December 2011Unsourced statements (December 2011, January 2017, August 2017), References needed (January 2017)
Retro-Diels–Alder reaction Low C1
Ring-opening polymerization Mid C1
Robinson annulation Mid C1
Ryoo Ryong Low Start3 December 2011BLP articles lacking sources (December 2011), Citation with bare URL
Sharpless epoxidation Mid Start1
Sialon Low Start2 Citation with bare URL
Silsesquioxane Low C1
Silver chloride electrode Low B4 November 2007Unsourced statements (February 2009, November 2007), Citation with bare URL
Simmons–Smith reaction Mid C1
Skraup reaction Mid Start1
Spanish Royal Society of Chemistry Low Start2 January 2014Unsourced statements (January 2014)
Specific ion interaction theory Low C1
Starting fluid Low Start3 December 2013Unsourced statements (December 2013), Citation with bare URL
Steven M. Weinreb Low Stub1
Stevens rearrangement Mid Start1
Sydnone Low Stub2 August 2013In-text citations lacking (August 2013)
Template:OrgSynth NA Template1
Thermodynamic activity High Start1
Thiosulfate Mid Start4 February 2015Detailed references needed, Citation with bare URL, Page number citations needed (February 2015)
Thomas Poon Low Start3 Web citation with no URL, CS1 errors: external links
Trifluoromethylation Low C1
Trimer (chemistry) Low Stub3 May 2014Clarification needed (May 2014), References needed (June 2016)
Upsalite Low Stub3 Citation with bare URL, CS1 errors: dates
Wagner–Meerwein rearrangement Mid Stub1
Water splitting Low C4 2005Potentially dated statements (2005), Unsourced statements (February 2007), Citation with bare URL
Water vapor Mid B4 June 2017Citation with bare URL, CS1 errors: dates, Weasel-worded phrases (June 2017)
Wet nanotechnology Low Start5 May 2012Style editing needed (May 2012), Original research (May 2012), Citation with bare URL, Citation with accessdate and no URL
White–Chen catalyst Mid B1
Wilfrid Hickinbottom Low Stub1
Wolff rearrangement Low Start1
Xuong Nguyen-Huu Low Start3 Citation with bare URL, URL error
ZACA reaction Low Stub3 March 2017Context needed (March 2017), Introduction cleanup (March 2017)

Citation with accessdate and no URL (76)

ArticleImportanceClassCount OldestIssues
Activated carbon Mid C7 April 2009Unsourced statements (April 2009, May 2009, June 2017, July 2017), Web citation with no URL, Clarification needed (June 2014)
Alcohol Top B7 July 2010Detailed references needed, Unsourced statements (July 2010, June 2014, July 2016, September 2017), Reliable references lacking (June 2014)
Alkali metal halide Mid Stub1
Alma Levant Hayden Low C1
Ann M. Valentine Mid C1
Arnold Orville Beckman Low B1
Asia Petrochemical Industry Conference Low Stub1
Athula Attygalle Low Start2 CS1 errors: dates
Australian Journal of Chemistry Low Stub1
Base (chemistry) Top C2 September 2010References needed (September 2010)
Burette Mid Start2 Web citation with no URL
Carolyn R. Bertozzi Low Start2 November 2016Dead external links (November 2016)
ChEMBL Low Start1
Chemical defense Low Stub2 CS1 errors: dates
Chemical industry Mid Start7 June 2008References needed (June 2008), Unsourced statements (June 2008, May 2010, May 2016), Weasel-worded phrases (November 2010), Introduction cleanup (December 2015)
Clinton Ballou Low Stub1
Complete active space perturbation theory Low Stub1
Craven Laboratories Low Stub1
Dishwashing liquid Mid C2 January 2015Expansion needed (January 2015)
Dmitri Mendeleev Top C4 July 2015Unsourced statements (July 2015), References needed (March 2017), Disputed statements (May 2017)
Donna Blackmond Low Start1
Earl Muetterties Low Start1
Eduard von Stackelberg Low C1
Edward Turner (chemist) Mid Start1
Edward Weston (chemist) Mid C2 October 2011In-text citations lacking (October 2011)
Edwin McMillan High GA1
Enamine Mid Start4 Citation lacking title, Web citation with no URL, CS1 errors: external links
Environmental toxicology Low Start3 August 2014Cleanup needed (August 2014, August 2014)
Fulmer Research Institute Mid B1
Gallium-68 generator Low Start1
Gas oil Low Stub2 Web citation with no URL
George S. Hammond High B1
Gwendolyn Wilson Fowler Low Start1
Hammond's postulate Mid Start1
Humphry Davy High C1
Interfacial polymerization Low Start1
Jan Baptist van Helmont Low B1
Joan Berkowitz Low Start1
John Browning (scientific instrument maker) Mid Start2 Web citation with no URL
John Cornforth High Start3 January 2014Unsourced statements (January 2014, September 2017)
Lability Low Start1
Langmuir adsorption model Mid C2 Citation lacking title
Larry E. Overman Low Start1
Liquid-crystal laser Low Start2 Web citation with no URL
List of chemical compounds with unusual names Mid List3 November 2013Unsourced statements (November 2013), Original research (August 2017)
Marija Šimanska Mid Start1
Materials (journal) Low Stub1
Michael Faraday Top B1
Molecular BioSystems Low Start1
Muhammad ibn Zakariya al-Razi Low C7 November 2010Unsourced statements (October 2012, November 2016), References needed (May 2012), Factual verification needed (November 2010), Web citation with no URL, CS1 errors: dates
Musk Mid Start1
Natural oil polyols Low Start2 October 2010Dead external links (October 2010)
New Journal of Chemistry Low Stub1
Organoaluminium chemistry Mid Start2 Citation lacking title
Percy Lavon Julian Low GA1
Pharmaceutical industry Mid C6 June 2015Unsourced statements (November 2015, June 2015), Clarification needed (June 2015), Limited geographic scope (August 2015), CS1 errors: external links
Phlogiston theory Mid B1
Photonics and Nanostructures: Fundamentals and Applications Low Start2 Web citation with no URL
Plastic High B3 July 2017Web citation with no URL, Unsourced statements (July 2017)
Proton-coupled electron transfer Low Start2 June 2013Clarification needed (June 2013)
Pyrrolizidine alkaloid Low Start1
Reducing sugar Mid Start1
Reviews in Mineralogy and Geochemistry Low Stub4 May 2017Web citation with no URL, CS1 errors: external links, References needed (May 2017)
Sandmeyer reaction Mid Start1
Seymour Shapiro Low Start1
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy Low Stub1
Spectronic 20 Low B1
Structural isomer High Start3 November 2014References needed (November 2014), Disputed statements (November 2014)
Tholin Low Start3 July 2015Unsourced statements (July 2015, March 2017)
Tom Brown (chemist) Mid C1
Trivial name High B1
Voltaic pile Low Start3 December 2010In-text citations lacking (December 2010), Citation with format and no URL
Wet nanotechnology Low Start5 May 2012Style editing needed (May 2012), Original research (May 2012), Citation with bare URL, Citation lacking title
William Henry Chandler (chemist) Low Start1
Zeotropic mixture Low Start2 January 2012Clarification needed (January 2012)
Zinc–air battery Mid C3 June 2009Unsourced statements (June 2009), CS1 errors: dates

Citation with bare URL (33)

ArticleImportanceClassCount OldestIssues
Alum High B10 November 2008Unsourced statements (November 2008, May 2009, October 2014, April 2016, December 2014, June 2016, September 2016, January 2017), Citation lacking title
Artificial enzyme Mid Start2 Citation lacking title
Austin Bide Low Stub3 August 2015Citation lacking title, In-text citations lacking (August 2015)
Behavior of nuclear fuel during a reactor accident Low C5 May 2013Expansion needed (May 2013), Citation lacking title, Dead external links (May 2016, October 2016)
Brian Stoltz Low Stub2 Citation lacking title
Centrifugal evaporator Low Start4 September 2007References needed (September 2007), Unsourced statements (November 2015), Citation lacking title
Chicken wire (chemistry) Low Start5 November 2007Unsourced statements (November 2007), Citation lacking title, Dead external links (May 2016, November 2016)
Chrome plating Mid C2 Citation lacking title
Corexit Low Start3 August 2014Citation lacking title, Reliable references lacking (August 2014)
Entropic explosion Low Stub3 June 2017Citation lacking title, Links needing disambiguation (June 2017)
Hervé This Low Start3 May 2013Unsourced statements (May 2013), Citation lacking title
Jerome J. Workman, Jr. Low Start4 October 2013Dead external links (October 2013), Citation lacking title, Promotional tone (January 2015)
Joanna Fowler Mid Start5 November 2012Expansion needed (December 2012), BLP articles lacking sources (November 2012), In-text citations lacking (November 2012), Citation lacking title
Liebermann reagent Low Start2 Citation lacking title
Liquid–liquid extraction Mid C5 March 2014Unsourced statements (May 2014), References needed (March 2014, May 2014), Citation lacking title
Lithium polymer battery Low C5 December 2010References needed (December 2010), Unsourced statements (June 2014, March 2017), Citation lacking title
NHC-Palladium Complexes Low Start2 Citation lacking title
Nature Top GA6 February 2010Unsourced statements (February 2010, April 2010, July 2017), Citation lacking title, Dead external links (September 2017)
Optical brightener Mid Start3 April 2017Citation lacking title, Unsourced statements (April 2017)
Peter Atkins Low Start2 Citation lacking title
Phase-change material Low Start4 September 2012Introduction cleanup (September 2012), Citation lacking title, CS1 errors: invisible characters
Pseudoenzyme Low Start2 Citation lacking title
Purified water Mid Start5 February 2016Unsourced statements (February 2016), Citation lacking title, Citation with format and no URL, Dead external links (June 2016)
Ryoo Ryong Low Start3 December 2011BLP articles lacking sources (December 2011), Citation lacking title
Sialon Low Start2 Citation lacking title
Silver chloride electrode Low B4 November 2007Unsourced statements (February 2009, November 2007), Citation lacking title
Starting fluid Low Start3 December 2013Unsourced statements (December 2013), Citation lacking title
Thiosulfate Mid Start4 February 2015Detailed references needed, Citation lacking title, Page number citations needed (February 2015)
Upsalite Low Stub3 Citation lacking title, CS1 errors: dates
Water splitting Low C4 2005Potentially dated statements (2005), Unsourced statements (February 2007), Citation lacking title
Water vapor Mid B4 June 2017Citation lacking title, CS1 errors: dates, Weasel-worded phrases (June 2017)
Wet nanotechnology Low Start5 May 2012Style editing needed (May 2012), Original research (May 2012), Citation lacking title, Citation with accessdate and no URL
Xuong Nguyen-Huu Low Start3 Citation lacking title, URL error

Citation with format and no URL (22)

ArticleImportanceClassCount OldestIssues
Chemical equilibrium High C3 March 2009References needed (March 2009), Unsourced statements (July 2013)
Crystal structure of boron-rich metal borides Low B2 August 2017Dead external links (August 2017)
Dichlorodifluoroethylene Low Stub1
Fast ion conductor Low Start1
Flippin–Lodge angle Low C4 November 2014Page number citations needed (November 2014, March 2016), Unsourced statements (December 2015)
Fluorescence intermittency in colloidal nanocrystals Low Start1
Homogeneous and heterogeneous mixtures Mid Stub1
John Dalton Top B2 December 2011Unsourced statements (December 2011)
Keller's reagent Low Stub2 Citation lacking title
Liquid metal Low Start4 April 2015References needed (April 2015), Style editing needed (April 2015), CS1 errors: external links
Mesoporous silica Mid C2 March 2015Unsourced statements (March 2015)
Nanoparticle High C4 April 2015Citation has redundant parameters, Unsourced statements (April 2015), CS1 errors: missing author or editor
Nitrile Mid C2 May 2009Dead external links (May 2009)
Photochlorination Low C1
Polyacetylene Mid B1
Purified water Mid Start5 February 2016Unsourced statements (February 2016), Citation with bare URL, Citation lacking title, Dead external links (June 2016)
Sandwich compound High Start2 December 2016Factual verification needed (December 2016)
Spectroscopy Top B4 April 2016References needed (April 2016), Cleanup needed (April 2016), Prose needed (April 2016)
Spiro compound Mid C10 January 2016Unsourced statements (February 2016), Merge needed (January 2016), References needed (February 2016), Reliable references lacking (February 2016), Expansion needed (February 2016), Self-contradictory articles (February 2016), Clarification needed (February 2016), Factual verification needed (February 2016, March 2016)
Tosyl Mid Start1
Trans fat Mid B12 September 2010Unsourced statements (May 2014, September 2015, April 2013, June 2015, April 2017), Update needed (September 2010), Dead external links (December 2010, September 2017), Obsolete information (March 2012), Vague or ambiguous geographic scope (September 2012), Failed verification (March 2015)
Voltaic pile Low Start3 December 2010In-text citations lacking (December 2010), Citation with accessdate and no URL

Detailed references needed (30)

ArticleImportanceClassCount OldestIssues
Alcohol Top B7 July 2010Unsourced statements (July 2010, June 2014, July 2016, September 2017), Citation with accessdate and no URL, Reliable references lacking (June 2014)
Angela K. Wilson Low Stub2 March 2016Unsourced statements (March 2016)
Arthur Nowick Low C1
Ayhan Ulubelen Low Start7 May 2012Unsourced statements (July 2013), BLP articles lacking sources (May 2012), Clarification needed (May 2012, July 2013), Vague or ambiguous time (July 2013), Dead external links (October 2016)
Chemical ecology Low Stub8 March 2017Expert attention needed (March 2017), Unsourced statements (March 2017), Weasel-worded phrases (March 2017), Self-contradictory articles (March 2017), Clarification needed (March 2017), Reliable references lacking (March 2017)
Chirality (chemistry) Top C1
Cyanide High B5 June 2008Unsourced statements (June 2008, July 2012, July 2015), Page number citations needed (July 2015)
Distribution law Low Stub2 August 2017References needed (August 2017)
Emulsion Mid C1
Estuarine acidification Low Start6 October 2013Expert attention needed (October 2013), References needed (September 2014), Too technical (October 2013), Unsourced statements (January 2017)
Firefighting foam Mid Start3 October 2008In-text citations lacking (October 2008), Promotional tone (February 2015)
Hand sanitizer Mid Start3 January 2012Unsourced statements (October 2013), Dead external links (January 2012)
Henri Moissan High C4 June 2014In-text citations lacking (June 2014), Unsourced statements (July 2017, August 2017)
Hydrophile Mid Start2 December 2014Page number citations needed (December 2014)
Lithium-ion battery Low C11 June 2010Potentially dated statements (2017, January 2014), Disputed statements (June 2010), Unsourced statements (June 2014, September 2016), Dead external links (November 2015), Reliable references lacking (August 2014, November 2016), Failed verification (November 2013, December 2016)
Magnesium alloy Low C3 August 2009References needed (August 2009), Unsourced statements (January 2015)
Non-stoichiometric compound High C3 July 2015Unsourced statements (July 2015), Expansion needed (July 2015)
Nucleophilic acyl substitution Mid Start1
Organic acid Mid C2 November 2015Unsourced statements (November 2015)
Organocadmium compound High Start1
Phytoecdysteroid Low Stub1
Polycyclic aromatic hydrocarbon High B7 January 2014Unsourced statements (June 2014, July 2017), CS1 errors: dates, Clarification needed (January 2014, June 2014), Links needing disambiguation (August 2017)
Potassium binder Low Start1
Registration, Evaluation, Authorisation and Restriction of Chemicals Low Start3 April 2012Unsourced statements (April 2012), Potentially dated statements (June 2015)
Shea butter Low Start6 January 2010Unsourced statements (January 2010, June 2012, April 2016, December 2016), References needed (June 2014)
Sulfate High Start1
Thiosulfate Mid Start4 February 2015Citation with bare URL, Citation lacking title, Page number citations needed (February 2015)
Water chlorination Mid Start4 January 2014Page number citations needed (January 2014), Unsourced statements (March 2015, June 2016)
Windshield washer fluid Low Start7 June 2010Unsourced statements (August 2010, November 2010), Clarification needed (June 2010), References needed (January 2016), Weasel-worded phrases (January 2016), In-text citations lacking (January 2017)
Wrought iron Mid C5 March 2011Unsourced statements (March 2011, February 2013, August 2015, September 2017)

Failed verification (16)

ArticleImportanceClassCount OldestIssues
Alkaline battery Mid C3 November 2016... (November 2016), Unsourced statements (November 2016, April 2017)
Amateur chemistry High Start1 September 2016... (September 2016)
Creosote Low B8 October 2016... (October 2016), Unsourced statements (January 2017, February 2017), Weasel words (January 2017), Style editing needed (January 2017), Weasel-worded phrases (January 2017), Vague or ambiguous geographic scope (January 2017), Original research (January 2017)
Fuel cell Mid B5 September 2010Unsourced statements (December 2011, July 2012), Dead external links (September 2010), Potentially dated statements (August 2011), ... (February 2012)
Leaching (chemistry) Mid Start2 April 2016CS1 errors: dates, ... (April 2016)
Lithium-ion battery Low C11 June 2010Detailed references needed, Potentially dated statements (2017, January 2014), Disputed statements (June 2010), Unsourced statements (June 2014, September 2016), Dead external links (November 2015), Reliable references lacking (August 2014, November 2016), ... (November 2013, December 2016)
Lye Low Start4 November 2014References needed (November 2014), Page number citations needed (November 2014), ... (November 2014), Unsourced statements (September 2016)
Ocean acidification Low C3 February 2012Unsourced statements (January 2014), ... (February 2012, June 2017)
Olke C. Uhlenbeck Low Stub2 April 2011Reliable references lacking (April 2011), ... (April 2011)
Paint Low C4 June 2008References needed (June 2008), Unsourced statements (August 2011, December 2015), ... (December 2015)
Petroleum Mid B8 July 2010Unsourced statements (January 2013, November 2010, January 2015), Web citation with no URL, ... (July 2010), Update needed (April 2016), References needed (October 2016), Dead external links (August 2017)
Radical clock Low Start1 February 2011... (February 2011)
Reactivity series Mid C1 September 2016... (September 2016)
Ripening Low Start7 February 2010References needed (February 2010), Expert attention needed (January 2013), Unsourced statements (January 2014, July 2016, May 2017), ... (July 2017)
Trans fat Mid B12 September 2010Unsourced statements (May 2014, September 2015, April 2013, June 2015, April 2017), Update needed (September 2010), Dead external links (December 2010, September 2017), Obsolete information (March 2012), Vague or ambiguous geographic scope (September 2012), Citation with format and no URL, ... (March 2015)
Zwitterion High Start1 December 2016... (December 2016)

In-text citations lacking (142)

ArticleImportanceClassCount OldestIssues
ACS style Low C2 March 2017... (March 2017), References needed (March 2017)
Acid Top C1 May 2009... (May 2009)
Albert Johan Petersson Low Stub1 July 2017... (July 2017)
Alexander Butlerov Chemistry Institute Low Start4 May 2017Coordinates needed, ... (May 2017), Reliable references lacking (May 2017), Categories needed (May 2017)
Allethrins Low Start2 March 2014... (March 2014), CS1 errors: external links
Amedeo Avogadro Mid C2 May 2008... (May 2008), Disputed statements (March 2016)
Antibonding molecular orbital High Start2 August 2012References needed (August 2012), ... (August 2012)
Antoine equation Low Start1 March 2014... (March 2014)
Arthur C. Cope Mid Stub1 February 2013... (February 2013)
Atomic carbon Mid Start2 September 2010... (September 2010), Disputed statements (August 2014)
Austin Bide Low Stub3 August 2015Citation with bare URL, Citation lacking title, ... (August 2015)
Benedict's reagent Mid Start2 May 2015References needed (May 2015), ... (May 2015)
Bioactive paper Low Start3 July 2009References needed (July 2009), ... (August 2009), Conflict of interest (July 2009)
Biophysical chemistry Mid Stub2 September 2012Unsourced statements (September 2012), ... (January 2017)
Bridged compounds Mid Stub8 June 2006References needed (June 2006, March 2016), Expert attention needed (February 2016), ... (February 2016), Expansion needed (March 2016), Cleanup needed (March 2016), List cleanup (March 2016)
Calibration curve Low Start1 October 2008... (October 2008)
Centrifugation Mid Start2 November 2010Unsourced statements (December 2010), ... (November 2010)
Ceramic colorants Low Start3 May 2008Expert attention needed (May 2008), ... (November 2010)
Chan-Lam coupling Low Start1 May 2015... (May 2015)
Charles A. Joy Mid Start1 July 2014... (July 2014)
Charles Frederick Burgess Mid Stub1 July 2014... (July 2014)
Charles Frédéric Gerhardt Mid Start1 May 2013... (May 2013)
Chartered Chemist Low Stub2 March 2013... (March 2013), Limited geographic scope (April 2016)
Chemical oxygen demand Mid C2 March 2017... (March 2017), References needed (March 2017)
Chemical structure High Stub5 July 2015Expert attention needed (July 2015), References needed (October 2015), Unsourced statements (July 2015), ... (October 2015)
Christopher M. Reddy Low Start2 September 2012Reliable references lacking (September 2012), ... (March 2013)
Chromatographic response function Low Stub2 September 2008... (September 2008), Unsourced statements (September 2009)
Chromatography in blood processing Low Start4 September 2008... (April 2009, September 2008), Original research (September 2008), Introduction cleanup (April 2013)
Coating Low Start2 April 2010... (April 2010), References needed (April 2014)
Cofiring Low C1 November 2010... (November 2010)
Comet (pyrotechnics) Low Stub2 November 2012References needed (November 2012), ... (November 2012)
Cryochemistry Mid Start4 November 2015Unsourced statements (November 2015), ... (November 2015), Clarification needed (November 2015), Vague or ambiguous time (November 2015)
Crystallography High C2 November 2009... (November 2009), Unsourced statements (November 2012)
Curing (chemistry) Low Start1 July 2015... (July 2015)
Cyclopentadienyl complex Low B2 May 2014References needed (May 2014), ... (May 2014)
Demonstration Plant Low Start2 April 2016... (April 2016), Wikilinks needed (April 2016)
Denis Evans Low Start2 August 2015BLP articles lacking sources (August 2015), ... (August 2015)
Depolarizer Low Start2 October 2008... (October 2008), Unsourced statements (February 2011)
Desorption Low Start2 November 2013References needed (November 2013), ... (November 2013)
Differential pulse voltammetry Low C3 October 2008References needed (October 2008, March 2011), ... (October 2008)
Dishwasher salt Low Stub2 September 2012References needed (September 2012), ... (July 2016)
Disk-covering method Low Stub2 February 2008Orphaned (February 2009), ... (February 2008)
Dragon's egg Low Stub1 February 2014... (February 2014)
Eduard Zintl Mid Start2 October 2013... (October 2013), References needed (October 2013)
Edward Weston (chemist) Mid C2 October 2011... (October 2011), Citation with accessdate and no URL
Field ion microscope Low Start1 January 2013... (January 2013)
Firefighting foam Mid Start3 October 2008Detailed references needed, ... (October 2008), Promotional tone (February 2015)
Flame ionization detector Low Stub2 October 2008Rewrite needed (October 2008), ... (July 2011)
Frans Maurits Jaeger Low Start1 February 2013... (February 2013)
François Diederich Low Stub1 March 2013... (March 2013)
Friedlieb Ferdinand Runge Low Start1 March 2011... (March 2011)
Fritz Pregl High Start2 January 2011... (January 2011), Unsourced statements (August 2017)
Fritz ter Meer Low Stub2 August 2011Unsourced statements (August 2011), ... (June 2014)
Gamma spectroscopy Mid C1 December 2013... (December 2013)
Gas evolution reaction Low Stub3 December 2013Cleanup needed (December 2013), Prose needed (December 2013), ... (June 2014)
Gasochromism Low Stub2 August 2010References needed (August 2010), ... (August 2010)
George C. Schatz Low Stub1 February 2013... (February 2013)
Georgius Agricola Mid C1 January 2013... (January 2013)
Globally Harmonized System of Classification and Labelling of Chemicals Mid Start8 May 2008Style editing needed (May 2008), ... (September 2013), CS1 errors: dates, Dead external links (September 2016), Vague or ambiguous time (February 2017), Unsourced statements (February 2017), Weasel-worded phrases (February 2017), References needed (February 2017)
Grain size Low Start1 July 2011... (July 2011)
Gustavus Detlef Hinrichs Mid C2 July 2012Unsourced statements (July 2012), ... (July 2012)
Henri Moissan High C4 June 2014Detailed references needed, ... (June 2014), Unsourced statements (July 2017, August 2017)
Henry Wurtz Mid Stub2 November 2010Orphaned (November 2010), ... (May 2013)
Henryk Bem Low Start1 August 2017... (August 2017)
Herbicide safener Low Stub2 June 2011... (June 2011), Wikilinks needed (June 2016)
Herchel Smith Low Start1 April 2015... (April 2015)
IUPAC nomenclature for organic transformations Mid Start1 March 2016... (March 2016)
Ice XII Mid Stub1 August 2012... (August 2012)
Ilya Prigogine High C5 October 2010Unsourced statements (March 2012, March 2015, April 2017), ... (October 2010), Weasel-worded phrases (December 2013)
Impurity Mid Start1 June 2013... (June 2013)
Internal standard Mid Start1 November 2013... (November 2013)
Iodine test Mid Start2 October 2012... (October 2012), Unsourced statements (June 2015)
Ion exchange Mid C1 July 2016... (July 2016)
James Cutbush Low Stub1 March 2016... (March 2016)
Jeremias Benjamin Richter Low Start4 November 2009... (November 2009, January 2014), CS1 errors: dates, Disputed statements (April 2014)
Jesús Jiménez Barbero Low Stub3 May 2016Reliable references lacking (May 2016), ... (May 2016), BLP articles lacking sources (May 2016)
Jing Li (chemist) Low Start3 November 2012BLP articles lacking sources (November 2012), Reliable references lacking (November 2012), ... (November 2012)
Jnan Chandra Ghosh Low C2 July 2015References needed (July 2015), ... (July 2015)
Joanna Fowler Mid Start5 November 2012Expansion needed (December 2012), BLP articles lacking sources (November 2012), ... (November 2012), Citation with bare URL, Citation lacking title
Johann Friedrich Cartheuser Low Stub2 July 2014... (July 2014), Orphaned (June 2016)
John Mayow Low B2 January 2014Unsourced statements (December 2014), ... (January 2014)
John Tedder, 2nd Baron Tedder Low Start1 February 2010... (February 2010)
Joseph J. Katz Mid Start3 September 2012Introduction cleanup (September 2012), Reference cleanup (September 2012), ... (November 2014)
Karl Barry Sharpless High Start1 April 2012... (April 2012)
Karl Slotta Low Start1 February 2013... (February 2013)
Liesegang rings Low Start3 November 2010Expert attention needed (November 2010), ... (November 2010)
Limiting current Low Stub1 December 2012... (December 2012)
List of Schedule 1 substances (CWC) Low List1 January 2013... (January 2013)
List of Schedule 3 substances (CWC) Low List1 January 2013... (January 2013)
MDL Chime Low Stub3 July 2014... (July 2014), Reliable references lacking (July 2014), Dead external links (May 2017)
Mary Elvira Weeks Low Stub1 November 2013... (November 2013)
Matrix isolation Mid Start1 December 2010... (December 2010)
Microemulsion Mid Start1 November 2010... (November 2010)
Mischmetal Low Start2 2007Potentially dated statements (2007), ... (April 2012)
NAS Award for Chemistry in Service to Society Low List1 March 2013... (March 2013)
NAS Award in Chemical Sciences Low List1 March 2013... (March 2013)
Norman Allinger Low Stub1 February 2013... (February 2013)
Nuclear chemistry High Start1 January 2017... (January 2017)
Nuclear magnetic resonance spectroscopy High B2 2003Potentially dated statements (2003), ... (November 2016)
Organic Reactions Mid Start1 February 2013... (February 2013)
Otto Ambros Low Stub1 July 2010... (July 2010)
Overpotential Mid Start2 May 2013... (May 2013), Unsourced statements (July 2015)
Owen Wansbrough-Jones Low Stub1 February 2013... (February 2013)
Paul Karrer High C1 October 2009... (October 2009)
Pensky–Martens closed-cup test Low Stub2 December 2008References needed (December 2008), ... (October 2011)
Peter Moore (chemist) Low Start1 February 2013... (February 2013)
Photocathode Low Start1 October 2008... (October 2008)
Physical vapor deposition Mid Stub4 February 2009Expert attention needed (February 2009), ... (April 2011), Unsourced statements (July 2016)
Powder (substance) Mid Start1 April 2010... (April 2010)
Powder coating on glass Low Start3 February 2014Style editing needed (February 2014), ... (February 2014), Orphaned (February 2014)
Pozzolanic activity Low Start2 September 2012... (September 2012), Merge needed (October 2016)
Quality of analytical results Low Stub1 October 2014... (October 2014)
Quantum chemistry Top C3 January 2011Cleanup needed (January 2011, January 2011), ... (December 2012)
Ralph Pearson Low Start1 February 2013... (February 2013)
Raphael Meldola Mid Stub2 May 2013Unsourced statements (May 2013), ... (February 2014)
Reactive nitrogen Mid C2 August 2014... (August 2014), Dead external links (August 2014)
Robert Fulford Ruttan Low Stub1 July 2013... (July 2013)
Robert Parr Low Start1 February 2013... (February 2013)
Semi-rigid molecule Mid Start2 December 2010... (December 2010), Merge needed (May 2017)
Severinghaus electrode Low Stub2 March 2011... (March 2011), Orphaned (June 2016)
Show globe Low C1 February 2015... (February 2015)
Silvicide Low Stub2 June 2011... (June 2011), Orphaned (June 2016)
Standard addition Low Stub1 August 2014... (August 2014)
Stanford Moore High Stub1 March 2013... (March 2013)
Substitution of dangerous chemicals Mid Stub2 April 2017... (April 2017), Style editing needed (April 2017)
Suction filtration Low Stub1 August 2013... (August 2013)
Sydnone Low Stub2 August 2013Citation lacking title, ... (August 2013)
Thermonuclear weapon Mid C9 September 2009Expansion needed (September 2009), References needed (August 2013, December 2015), ... (August 2013), Reliable references lacking (October 2014, December 2016), Unsourced statements (January 2016, September 2017), Clarification needed (June 2017)
Triplet state Low Start1 December 2010... (December 2010)
UV pinning Low Start2 February 2009Orphaned (February 2009), ... (November 2010)
Uwe Meierhenrich Low Start1 February 2013... (February 2013)
Vacuum deposition Low Start1 April 2009... (April 2009)
Valerie Randle Low Stub1 January 2011... (January 2011)
Vapor-compression desalination Low Stub1 April 2017... (April 2017)
Viehland-Mason theory Low Stub1 March 2015... (March 2015)
Voltaic pile Low Start3 December 2010... (December 2010), Citation with accessdate and no URL, Citation with format and no URL
Water gas Low Start2 May 2015References needed (May 2015), ... (January 2017)
Wayne L. Hubbell Low Start1 February 2013... (February 2013)
William H. Schlesinger Low Start1 February 2013... (February 2013)
Windshield washer fluid Low Start7 June 2010Detailed references needed, Unsourced statements (August 2010, November 2010), Clarification needed (June 2010), References needed (January 2016), Weasel-worded phrases (January 2016), ... (January 2017)
World Wide Molecular Matrix Low Start4 December 2010References needed (December 2010), Unsourced statements (December 2010), ... (December 2010), Factual verification needed (December 2010)
Şişecam Low Start2 April 2014Reliable references lacking (April 2014), ... (April 2014)

Page number citations needed (52)

ArticleImportanceClassCount OldestIssues
Amino acid Mid GA3 September 2010... (September 2010), Dead external links (July 2017), Clarification needed (August 2017)
Analytical chemistry Top C4 March 2013Unsourced statements (March 2013, April 2016), ... (January 2014), Expansion needed (April 2016)
Atom Top FA1 April 2011... (April 2011)
Biocatalysis High Start2 January 2011Vague or ambiguous time (January 2011), ... (February 2013)
Biomonitoring Mid C7 April 2012... (April 2012), Unsourced statements (April 2016), CS1 errors: chapter ignored, Expansion needed (April 2016), Limited geographic scope (April 2016), Reliable references lacking (April 2016), Vague or ambiguous geographic scope (April 2016)
Bond-dissociation energy High Start2 May 2016Unsourced statements (May 2016), ... (May 2016)
Bürgi–Dunitz angle Mid Start1 November 2014... (November 2014)
Carbon–carbon bond High Start2 October 2013References needed (October 2013), ... (January 2015)
Carbon–oxygen bond Mid Start1 June 2014... (June 2014)
Cyanide High B5 June 2008Detailed references needed, Unsourced statements (June 2008, July 2012, July 2015), ... (July 2015)
Cyclic compound High Start13 April 2015Expert attention needed (April 2015), Reliable references lacking (April 2015), Expansion needed (June 2015, April 2015), References needed (April 2015, June 2015), Unsourced statements (April 2015, June 2015), Clarification needed (April 2015), ... (April 2015, June 2015), Factual verification needed (April 2015)
Cyclodextrin Mid Start1 April 2013... (April 2013)
Edgar Charles Bate-Smith Low Stub2 December 2012Reliable references lacking (December 2012), ... (December 2012)
Equilibrium constant High C1 November 2011... (November 2011)
Ethoxylation Mid Stub4 March 2016Unsourced statements (March 2016), Reliable references lacking (March 2016), ... (March 2016), Factual verification needed (March 2016)
Flippin–Lodge angle Low C4 November 2014Citation with format and no URL, ... (November 2014, March 2016), Unsourced statements (December 2015)
Fluoride High C4 April 2015Unsourced statements (April 2015, July 2016), CS1 errors: chapter ignored, ... (July 2016)
Fritz Haber High C4 October 2014Clarification needed (October 2014), ... (May 2016), Unsourced statements (August 2017, September 2017)
Galvanic corrosion Mid C2 January 2011... (January 2011), CS1 errors: dates
Hammett equation Mid Start11 June 2015Unsourced statements (June 2015), Style editing needed (June 2015), Update needed (June 2015), References needed (June 2015), Reliable references lacking (June 2015), Cleanup needed (June 2015, June 2015), Clarification needed (June 2015), Factual verification needed (June 2015), ... (June 2015), References lacking (June 2015)
Herbicide High C12 1992Potentially dated statements (1992), References needed (August 2011), Unsourced statements (August 2011, June 2014, January 2015, May 2017), Weasel-worded phrases (July 2010, December 2012), ... (January 2013), CS1 errors: dates, Expansion needed (December 2015), Viewpoints needed (October 2015)
Hydrogen halide Mid Start2 April 2015Unsourced statements (April 2015), ... (April 2015)
Hydrophile Mid Start2 December 2014Detailed references needed, ... (December 2014)
Hydroxylation Mid Start2 March 2017Unsourced statements (March 2017), ... (March 2017)
Industrial Bio-Test Laboratories Low C2 February 2013Weasel-worded phrases (February 2013), ... (February 2013)
John Arnold Cranston Mid Start1 December 2015... (December 2015)
Lethal dose Mid Start3 January 2014Unsourced statements (April 2016, June 2017), ... (January 2014)
Lye Low Start4 November 2014References needed (November 2014), ... (November 2014), Failed verification (November 2014), Unsourced statements (September 2016)
Macrocycle Mid C2 April 2015Reliable references lacking (April 2015), ... (April 2015)
Macrocyclic ligand Mid C1 April 2015... (April 2015)
Mesoionic Low Stub1 September 2013... (September 2013)
Molecular recognition Mid Start1 September 2010... (September 2010)
Nanocellulose High B7 May 2013Unsourced statements (October 2014, March 2017), Clarification needed (May 2013, March 2017), ... (March 2017), Weasel-worded phrases (March 2017), Reliable references lacking (March 2017)
Natural product High B2 July 2014Unsourced statements (July 2014), ... (July 2014)
Organic synthesis High B3 March 2016References needed (March 2016), Vague or ambiguous time (March 2016), ... (March 2016)
Partition coefficient High B4 March 2016Unsourced statements (March 2016), Reliable references lacking (March 2016), ... (March 2016), Factual verification needed (March 2016)
Physical organic chemistry High Start7 June 2015Expansion needed (June 2015), Unsourced statements (June 2015), Reliable references lacking (June 2015), Clarification needed (June 2015), Factual verification needed (June 2015), ... (June 2015), References lacking (June 2015)
Polychlorinated biphenyl High B12 May 2007Unsourced statements (May 2007, October 2015, July 2010, September 2015, May 2013, February 2011, May 2015, June 2016, September 2016), Accuracy disputes (May 2013), ... (May 2013, October 2015)
Polyolefin Low Start3 January 2011References needed (January 2011), ... (July 2013), Unsourced statements (November 2016)
Procyanidin Mid C3 August 2010Reliable references lacking (October 2010), ... (August 2010), Accuracy disputes (October 2010)
Reaction intermediate High Start1 March 2016... (March 2016)
Relativistic quantum chemistry Mid Start2 July 2013Unsourced statements (July 2013), ... (July 2013)
Ruggero Santilli Low Start2 February 2017Unsourced statements (February 2017), ... (February 2017)
SNOX process Low Start2 October 2014Factual verification needed (October 2014), ... (October 2014)
Steam High Start4 September 2013Unsourced statements (September 2013), References needed (September 2013), Accuracy disputes (September 2013), ... (September 2013)
Stereocenter High Start5 February 2016Expert attention needed (February 2016), References needed (February 2016), Clarification needed (February 2016), ... (February 2016)
Steroid Mid C9 May 2014Expert attention needed (March 2017), ... (May 2014), Reliable references lacking (July 2014, March 2017), Reference errors, Unsourced statements (March 2017), Factual verification needed (March 2017), Expansion needed (March 2017)
Sulphobes Low Stub1 June 2017... (June 2017)
Thiosulfate Mid Start4 February 2015Detailed references needed, Citation with bare URL, Citation lacking title, ... (February 2015)
Third law of thermodynamics Top C3 January 2013Unsourced statements (January 2013), ... (January 2013), Clarification needed (April 2015)
Water chlorination Mid Start4 January 2014Detailed references needed, ... (January 2014), Unsourced statements (March 2015, June 2016)
Zirconate Low Stub1 March 2015... (March 2015)

Reference cleanup (9)

ArticleImportanceClassCount OldestIssues
Accelerant Mid Start1 October 2016... (October 2016)
Alfred Senier Low Stub1 February 2012... (February 2012)
Cone calorimeter Low Start6 April 2013Cleanup needed (April 2013, April 2013), Peacock terms (May 2014), Promotional tone (May 2014), Wikilinks needed (May 2014), ... (May 2014)
Enthalpy of vaporization High C2 March 2016... (March 2016), Disputed statements (April 2017)
Isotopic ratio outlier analysis Low Start2 January 2014Orphaned (August 2014), ... (January 2014)
John Bockris Low Start3 May 2015References needed (September 2015), ... (May 2015), Peacock terms (September 2015)
Joseph J. Katz Mid Start3 September 2012Introduction cleanup (September 2012), ... (September 2012), In-text citations lacking (November 2014)
Patternation Low Start2 March 2014Style editing needed (March 2014), ... (March 2014)
Quantemol-DB Low Start7 April 2017Conflict of interest (April 2017), Peacock terms (April 2017), ... (April 2017), Unsourced statements (July 2017), Merge needed (July 2017), Weasel-worded phrases (July 2017), Clarification needed (July 2017)

Reference errors (4)

ArticleImportanceClassCount OldestIssues
Klaus-Dieter Hungenberg Low Start5 September 2013Reliable references lacking (November 2013), Orphaned (September 2013), Peacock terms (November 2013), Dead external links (May 2017)
Reaction progress kinetic analysis Low C1
Steroid Mid C9 May 2014Expert attention needed (March 2017), Page number citations needed (May 2014), Reliable references lacking (July 2014, March 2017), Unsourced statements (March 2017), Factual verification needed (March 2017), Expansion needed (March 2017)
Toxic Substances Control Act of 1976 Mid Start5 July 2013Unsourced statements (July 2013, April 2016), Potentially dated statements (2015), Reliable references lacking (April 2016)

References lacking (2)

ArticleImportanceClassCount OldestIssues
Hammett equation Mid Start11 June 2015Unsourced statements (June 2015), Style editing needed (June 2015), Update needed (June 2015), References needed (June 2015), Reliable references lacking (June 2015), Cleanup needed (June 2015, June 2015), Clarification needed (June 2015), Factual verification needed (June 2015), Page number citations needed (June 2015), ... (June 2015)
Physical organic chemistry High Start7 June 2015Expansion needed (June 2015), Unsourced statements (June 2015), Reliable references lacking (June 2015), Clarification needed (June 2015), Factual verification needed (June 2015), Page number citations needed (June 2015), ... (June 2015)

References needed (568)

ArticleImportanceClassCount OldestIssues
4-Piperidinone Low Stub1 December 2016... (December 2016)
440C Low Stub2 August 2013... (August 2013), Merge needed (September 2016)
ACS style Low C2 March 2017In-text citations lacking (March 2017), ... (March 2017)
AMSilk Low Start1 May 2017... (May 2017)
Abraham Savitzky Low Stub1 September 2012... (September 2012)
Absorption band Mid Start1 October 2013... (October 2013)
Abundance (chemistry) Mid Stub1 November 2009... (November 2009)
Accepted and experimental value Low Stub1 April 2016... (April 2016)
Acetyl group High Start2 January 2016... (January 2016), Unsourced statements (January 2016)
Acicular ferrite Low Stub1 October 2009... (October 2009)
Acid value Low C1 July 2016... (July 2016)
Acrylic paint Low Start4 November 2009... (November 2009), Original research (June 2010), CS1 errors: external links, Unsourced statements (February 2017)
Activation energy Mid Start1 January 2017... (January 2017)
Adhesive Mid C1 August 2013... (August 2013)
Aerogel High B2 May 2013Potentially dated statements (2013), ... (May 2013)
Alcohol oxidation High C1 September 2014... (September 2014)
Aldaric acid Mid Start1 December 2012... (December 2012)
Aleksei Chichibabin Low Start1 February 2015... (February 2015)
Alkali High Start2 June 2008... (June 2008), Dead external links (July 2016)
Alkali metal oxide Mid Stub1 August 2012... (August 2012)
Alkali salt Mid Start1 April 2011... (April 2011)
Alkalinity Low C3 February 2015... (May 2015), Disputed statements (February 2015), Clarification needed (February 2015)
Alkane Top B8 April 2007Unsourced statements (April 2007, December 2016), ... (July 2015, August 2014, July 2014), Expansion needed (August 2014, September 2017), Clarification needed (December 2016)
Allotropes of sulfur Low B3 July 2015... (July 2015), Unsourced statements (July 2015), Factual verification needed (July 2015)
Alpha hydroxy acid Mid Start2 June 2009... (June 2009), Unsourced statements (August 2017)
Aluminium smelting Mid Start1 November 2013... (November 2013)
Amalgam (chemistry) Mid Start3 August 2012Introduction cleanup (August 2012), Expansion needed (September 2017), ... (September 2017)
American Chemistry Council Low Start5 December 2008... (December 2008), Unsourced statements (October 2011), NPOV disputes (October 2011), Weasel-worded phrases (October 2011), Obsolete information (October 2011)
Amorphous metal Low Start5 March 2011... (April 2012), Unsourced statements (January 2012, March 2011, May 2012), Clarification needed (April 2012)
Amphibole Mid Start1 November 2010... (November 2010)
Anhydrous High Stub1 June 2010... (June 2010)
Anode Mid Start1 September 2012... (September 2012)
Antagonism (chemistry) Low Stub1 December 2012... (December 2012)
Anti-corrosion Mid Start4 October 2009... (October 2009), Expert attention needed (February 2011), URL error
Antibonding molecular orbital High Start2 August 2012... (August 2012), In-text citations lacking (August 2012)
Antichlor Low Stub1 December 2009... (December 2009)
Anticrystal Low Stub2 July 2014... (July 2014), Notability unclear (August 2017)
Aqueous solution High Start1 April 2011... (April 2011)
Aromatic amine Low Start1 February 2013... (February 2013)
Arrow pushing Mid Start1 April 2009... (April 2009)
Assay Mid Start3 September 2013Unsourced statements (September 2013, August 2016), ... (August 2016)
Atomic ratio Mid Stub1 August 2015... (August 2015)
August Kekulé High Start2 June 2015Unsourced statements (June 2015), ... (June 2015)
Australasian Corrosion Association Low Stub2 April 2017Notability unclear (April 2017), ... (July 2017)
Autocatalysis High Start1 September 2010... (September 2010)
Auxochrome Low Stub1 June 2015... (June 2015)
Azane Low Start2 April 2013... (September 2014), Unsourced statements (April 2013)
Backbone chain High Stub1 February 2014... (February 2014)
Balco alloy Low Stub1 December 2009... (December 2009)
Ballotechnics Low Start2 February 2015... (February 2015), Original research (February 2015)
Base (chemistry) Top C2 September 2010... (September 2010), Citation with accessdate and no URL
Battery (electricity) Mid C6 December 2010Potentially dated statements (2012, 2013), Unsourced statements (December 2010), ... (April 2017), Dead external links (June 2017, July 2017)
Bauxite Mid C1 April 2014... (April 2014)
Bayberry wax Low Stub1 July 2016... (July 2016)
Benedict's reagent Mid Start2 May 2015... (May 2015), In-text citations lacking (May 2015)
Berry mechanism Low Stub1 May 2014... (May 2014)
Beta-Hydride elimination Mid C1 August 2012... (August 2012)
Bioactive paper Low Start3 July 2009... (July 2009), In-text citations lacking (August 2009), Conflict of interest (July 2009)
Biobor Low Start2 June 2010... (June 2010), Promotional tone (August 2011)
Branching (polymer chemistry) Low Start1 August 2013... (August 2013)
Brass Mid C5 October 2010Unsourced statements (October 2010, January 2015, January 2017), Vague or ambiguous time (January 2017), ... (January 2017)
Bridged compounds Mid Stub8 June 2006... (June 2006, March 2016), Expert attention needed (February 2016), In-text citations lacking (February 2016), Expansion needed (March 2016), Cleanup needed (March 2016), List cleanup (March 2016)
Britannia silver Low Stub1 July 2017... (July 2017)
Bunsen–Kirchhoff Award Low Stub1 June 2013... (June 2013)
Burn rate (chemistry) Low Start1 November 2012... (November 2012)
CAS Registry Number Mid Start1 June 2017... (June 2017)
Cahn–Ingold–Prelog priority rules Mid Start6 February 2016Unsourced statements (February 2016), ... (February 2016), Cleanup needed (February 2016, March 2017), Clarification needed (February 2016), Weasel-worded phrases (February 2016)
Calibration gas Low Stub2 June 2013... (June 2013), Notability unclear (June 2013)
Caramelization Low Stub1 January 2008... (January 2008)
Carbazide Low Stub1 November 2014... (November 2014)
Carbodiimide Mid Start1 December 2009... (December 2009)
Carbohydrate conformation Low C3 January 2012Expert attention needed (January 2012), ... (January 2012)
Carbon in pulp Low C1 December 2009... (December 2009)
Carbon-based life Mid Start5 March 2015... (March 2015), CS1 errors: dates, Unsourced statements (March 2015, April 2015), Expansion needed (August 2015)
Carbonyl alpha-substitution reactions Low Start1 September 2015... (September 2015)
Carbonyl iron Low Start1 December 2007... (December 2007)
Carbon–carbon bond High Start2 October 2013... (October 2013), Page number citations needed (January 2015)
Carbotanium Low Stub1 November 2010... (November 2010)
Carl Auer von Welsbach Mid Start1 April 2012... (April 2012)
Casomorphin Mid Stub2 August 2008... (August 2008), Potentially dated statements (2008)
Catalyst poisoning Low Stub3 September 2011Expert attention needed (June 2016), ... (September 2011)
Centrifugal evaporator Low Start4 September 2007... (September 2007), Unsourced statements (November 2015), Citation with bare URL, Citation lacking title
Centrifuge Mid Start2 January 2009... (January 2009), Unsourced statements (February 2012)
Centrosymmetry Mid Start1 December 2009... (December 2009)
Ceramic chemistry Low Start3 May 2010... (May 2010), Unsourced statements (June 2010, April 2012)
Charles Avery Doremus Low Start1 October 2013... (October 2013)
Charles E. Wicks Low Start2 July 2010... (July 2010), Notability unclear (July 2010)
Charles Upham Shepard Low Start2 December 2012... (April 2014), Orphaned (December 2012)
ChemXSeer Low Start2 November 2011... (November 2011), Web citation with no URL
Chemical bond Top C3 January 2014... (March 2015, January 2014), Reliable references lacking (March 2015)
Chemical bonding model Mid Start1 January 2014... (January 2014)
Chemical change Mid Start2 January 2010... (January 2010), Sources lacking (September 2014)
Chemical energy Mid Start1 December 2015... (December 2015)
Chemical equation High C1 September 2011... (September 2011)
Chemical equilibrium High C3 March 2009... (March 2009), Unsourced statements (July 2013), Citation with format and no URL
Chemical industry Mid Start7 June 2008... (June 2008), Unsourced statements (June 2008, May 2010, May 2016), Weasel-worded phrases (November 2010), Introduction cleanup (December 2015), Citation with accessdate and no URL
Chemical oxygen demand Mid C2 March 2017In-text citations lacking (March 2017), ... (March 2017)
Chemical physics High Start2 March 2014... (March 2014), Unsourced statements (December 2015)
Chemical polarity High C1 January 2015... (January 2015)
Chemical safety assessment Low Stub1 January 2010... (January 2010)
Chemical structure High Stub5 July 2015Expert attention needed (July 2015), ... (October 2015), Unsourced statements (July 2015), In-text citations lacking (October 2015)
Chemical test Mid List3 February 2016Cleanup needed (February 2016), Prose needed (February 2016), ... (June 2017)
Chemiluminescence Mid B2 December 2014... (December 2014), Unsourced statements (September 2016)
Chemistry Top B3 July 2010Reliable references lacking (July 2010), ... (September 2014), CS1 errors: dates
Chiral column chromatography Low Start1 December 2009... (December 2009)
Chloramination Low Start1 August 2012... (August 2012)
Chlorofluorocarbon High B4 April 2010Unsourced statements (March 2011), Disputed statements (April 2010), Clarification needed (June 2013), ... (February 2015)
Chloroorganic carrier Low Stub2 December 2014... (December 2014), Orphaned (December 2014)
Classical element Mid C4 May 2009... (May 2009), Unsourced statements (October 2013, December 2016), Expansion needed (December 2016)
Claude Louis Berthollet High Start1 January 2013... (January 2013)
Clerodane diterpene Low Stub2 March 2017Unsourced statements (March 2017), ... (March 2017)
Cloud point Low Stub1 February 2010... (February 2010)
Clyde cancer cluster Low Start8 December 2015CS1 errors: dates, ... (December 2015), Expansion needed (January 2016), Reliable references lacking (December 2015), CS1 errors: external links, NPOV disputes (January 2016), Accuracy disputes (January 2016), Rewrite needed (January 2016)
Coal gas Low C3 October 2007... (June 2009), Expansion needed (October 2007), Clarification needed (February 2014)
Coating Low Start2 April 2010In-text citations lacking (April 2010), ... (April 2014)
Coca alkaloid Low Stub1 July 2013... (July 2013)
Cohesion (chemistry) Mid Start1 March 2010... (March 2010)
Cold water extraction Low Stub1 May 2010... (May 2010)
College of Chemical Sciences Low Stub4 June 2011... (June 2011), Coordinates needed, Conflict of interest (June 2011), Wikilinks needed (January 2015)
Colloid High B4 July 2009Unsourced statements (July 2009, June 2014), ... (June 2014), Clarification needed (February 2017)
Color of chemicals Mid Start2 January 2008... (January 2008), Original research (November 2010)
Colorimeter (chemistry) Mid Start1 May 2010... (May 2010)
Combustion High C4 July 2016Disputed statements (July 2016), Accuracy disputes (July 2016), ... (January 2017), Expansion needed (April 2017)
Comet (pyrotechnics) Low Stub2 November 2012... (November 2012), In-text citations lacking (November 2012)
Condensation polymer Low Start1 September 2015... (September 2015)
Condensation reaction High Start7 March 2017Cleanup needed (March 2017, March 2017), Unsourced statements (March 2017), List cleanup (March 2017), ... (March 2017, April 2017), Expansion needed (March 2017)
Condensed aerosol fire suppression Low Start1 September 2013... (September 2013)
Condenser (laboratory) High B4 February 2015Unsourced statements (February 2015), ... (February 2015), Reliable references lacking (February 2015), Expansion needed (February 2015)
Conductive characteristics in coated synthetic fabrics Low Stub3 October 2010... (December 2011), Notability unclear (December 2011), Orphaned (October 2010)
Conductometry Low Start1 January 2010... (January 2010)
Conical measure Low Stub2 December 2009... (December 2009), Unsourced statements (September 2011)
Contact process Mid Start1 October 2010... (October 2010)
Conversion coating Low Stub1 September 2014... (September 2014)
Coordinate covalent bond High C1 June 2017... (June 2017)
Coordination complex High B1 June 2017... (June 2017)
Core charge Low Stub1 September 2011... (September 2011)
Corrosive substance Low Start1 June 2014... (June 2014)
Corticosteroid Low Start4 January 2010... (January 2010), Potentially dated statements (2010), Links needing disambiguation (June 2017), Disputed statements (July 2017)
Countercurrent chromatography Low Start1 September 2015... (September 2015)
Cracking (chemistry) High B3 April 2015... (April 2015), Unsourced statements (April 2015), Expansion needed (April 2015)
Crich beta-mannosylation Low C4 May 2009... (May 2009), Expert attention needed (January 2014), Orphaned (January 2011)
Crisscross method Low Stub1 March 2011... (March 2011)
Cross-reactivity Low Start1 August 2011... (August 2011)
Cryoscopic constant Low Stub1 February 2014... (February 2014)
CrystaSulf Low Start4 August 2009Orphaned (August 2009), Cleanup needed (August 2009, August 2009), ... (July 2016)
Crystal High B3 1999Potentially dated statements (1999), ... (September 2016), Unsourced statements (June 2017)
Crystal (software) Low Stub1 July 2017... (July 2017)
Cumulene Mid B1 June 2017... (June 2017)
Cyanogen halide Low Stub1 September 2012... (September 2012)
Cyclic compound High Start13 April 2015Expert attention needed (April 2015), Reliable references lacking (April 2015), Expansion needed (June 2015, April 2015), ... (April 2015, June 2015), Unsourced statements (April 2015, June 2015), Clarification needed (April 2015), Page number citations needed (April 2015, June 2015), Factual verification needed (April 2015)
Cyclohexane conformation Mid C10 January 2008... (January 2008, May 2014), Unsourced statements (January 2008, May 2014, August 2011), Clarification needed (May 2014), Reliable references lacking (May 2014), Cleanup needed (May 2014, May 2014), Rewrite needed (May 2014)
Cyclopentadienyl anion Mid Stub1 June 2016... (June 2016)
Cyclopentadienyl complex Low B2 May 2014... (May 2014), In-text citations lacking (May 2014)
Dark current spectroscopy Low Stub1 March 2013... (March 2013)
Deamination Mid Start1 March 2014... (March 2014)
Dechlorinator Low Stub1 February 2017... (February 2017)
Deflagration to detonation transition Low Start2 February 2017Unsourced statements (February 2017), ... (February 2017)
Dendrimer-encapsulated nanoparticles Low Stub1 July 2012... (July 2012)
Depsipeptide Low Stub3 June 2014Unsourced statements (June 2014), ... (June 2014), Clarification needed (June 2014)
Derivatization Mid Stub1 December 2015... (December 2015)
Desiccation Low Start1 October 2009... (October 2009)
Desorption Low Start2 November 2013... (November 2013), In-text citations lacking (November 2013)
Detection limit Mid C4 January 2016Expert attention needed (January 2016), ... (January 2016), Accuracy disputes (January 2016)
Deuterium NMR Mid Stub2 January 2010Unsourced statements (January 2010), ... (March 2015)
Deville process Low Start1 August 2012... (August 2012)
Diagonal relationship Mid Start2 February 2007... (February 2007), Clarification needed (July 2017)
Differential pulse voltammetry Low C3 October 2008... (October 2008, March 2011), In-text citations lacking (October 2008)
Diketopyrrolopyrrole dye Low Stub4 June 2016Expert attention needed (June 2016), ... (January 2017), Wikilinks needed (January 2017)
Dimer (chemistry) Mid Start1 April 2009... (April 2009)
Dishwasher salt Low Stub2 September 2012... (September 2012), In-text citations lacking (July 2016)
Dispersion (chemistry) Mid Start2 December 2013... (December 2013), Clarification needed (November 2014)
Dissociation (chemistry) High Start1 June 2014... (June 2014)
Dissolution (chemistry) High Start11 December 2009Reliable references lacking (December 2009), Expert attention needed (June 2015), Unsourced statements (June 2015), ... (June 2015), Weasel-worded phrases (June 2015), Cleanup needed (June 2015, June 2015), Disputed statements (June 2015), Clarification needed (June 2015), Merge needed (December 2016)
Dissolved organic carbon Mid Start1 October 2009... (October 2009)
Distillation High B1 October 2014... (October 2014)
Distribution law Low Stub2 August 2017Detailed references needed, ... (August 2017)
Disulfide Mid C3 November 2012Unsourced statements (November 2012), ... (September 2015), Clarification needed (April 2016)
Djalma Guimarães Low Start1 March 2011... (March 2011)
Dmitri Mendeleev Top C4 July 2015Citation with accessdate and no URL, Unsourced statements (July 2015), ... (March 2017), Disputed statements (May 2017)
Donald Othmer Low Start1 February 2015... (February 2015)
Dorothy Hodgkin Low C2 March 2016Unsourced statements (March 2016), ... (May 2017)
Drain cleaner Low Start2 July 2014Unsourced statements (July 2014), ... (July 2014)
Dry etching Low Stub1 June 2016... (June 2016)
Ebullioscopic constant Low Stub1 June 2016... (June 2016)
Eduard Zintl Mid Start2 October 2013In-text citations lacking (October 2013), ... (October 2013)
Education in Chemistry Low Stub2 March 2015... (March 2015), Citation lacking title
Elastolefin Low Stub1 May 2013... (May 2013)
Electrochemical cell High Start1 May 2016... (May 2016)
Electrochemical fluorination Low C1 September 2016... (September 2016)
Electrode Low Start1 January 2010... (January 2010)
Electrometallurgy Low Stub1 July 2012... (July 2012)
Elemental analysis High Start1 December 2011... (December 2011)
Elementar Low Start2 August 2014... (August 2014), Orphaned (April 2015)
Eleutheroside Low Stub1 September 2014... (September 2014)
Energy level High Start3 December 2009... (December 2009), Weasel-worded phrases (January 2014), Clarification needed (May 2014)
Enol High C8 October 2010Unsourced statements (October 2010, July 2015), Clarification needed (October 2010, July 2015), ... (July 2015), Expansion needed (July 2015), Reliable references lacking (July 2015), Disputed statements (July 2015)
Enthalpy of atomization Mid Stub1 August 2014... (August 2014)
Entropy of fusion Mid Stub1 December 2009... (December 2009)
Environmental impact of cleaning agents Low C2 June 2017... (June 2017), Accuracy disputes (June 2017)
Epitaxy Low C1 February 2012... (February 2012)
Equivalence point Low Stub1 July 2013... (July 2013)
Ernst Otto Beckmann Low C1 February 2013... (February 2013)
Estuarine acidification Low Start6 October 2013Detailed references needed, Expert attention needed (October 2013), ... (September 2014), Too technical (October 2013), Unsourced statements (January 2017)
Ether High B1 December 2007... (December 2007)
Etymology of chemistry Mid Start1 March 2017... (March 2017)
Eugene Houdry Low Start1 November 2009... (November 2009)
Evaporation High Start4 November 2008Expert attention needed (November 2008), Unsourced statements (January 2013), ... (August 2016)
Exothermic reaction High C1 June 2013... (June 2013)
Extensible Computational Chemistry Environment Mid Stub1 May 2016... (May 2016)
Extraction (chemistry) Mid Start5 May 2011... (May 2011), Cleanup needed (May 2014, May 2014, June 2015), Introduction cleanup (May 2014)
F number (chemistry) Low Stub2 February 2009Orphaned (February 2009), ... (December 2012)
Factors of polymer weathering Low C1 August 2012... (August 2012)
Fat High Start6 October 2013Expert attention needed (April 2014, June 2015), Unsourced statements (September 2014), ... (October 2013), Too technical (June 2015)
Fernico Low Stub1 February 2013... (February 2013)
Ferronigerite-2N1S Low Stub1 January 2014... (January 2014)
Fiberglass Low C2 May 2017Merge needed (May 2017), ... (May 2017)
Fire Top B2 January 2010Unsourced statements (January 2010), ... (November 2014)
Firefly (computer program) Mid Stub1 May 2016... (May 2016)
Flamelet generated manifold Low Stub5 August 2014... (August 2014), Clarification needed (November 2015), Notability unclear (November 2015), Conflict of interest (November 2015), Disputed statements (November 2015)
Flash point Mid Start1 December 2015... (December 2015)
Flavor masker Low Stub1 December 2012... (December 2012)
Florence flask Low Stub1 November 2011... (November 2011)
Fluorescein diacetate hydrolysis Low Stub1 January 2007... (January 2007)
Foam Low C4 August 2012... (August 2012, December 2013, February 2015, June 2017)
Folch solution Low Stub1 June 2016... (June 2016)
Forging temperature Low Stub1 May 2009... (May 2009)
Fractional coordinates Low Start3 June 2012Expert attention needed (June 2012), ... (August 2016)
Functional group Top Start1 August 2016... (August 2016)
Galvanization Mid Start5 May 2012... (May 2012), Unsourced statements (March 2013, February 2017), Weasel-worded phrases (March 2013), Clarification needed (February 2017)
Gas to liquids Low Start2 December 2008... (December 2008), CS1 errors: dates
Gasochromism Low Stub2 August 2010... (August 2010), In-text citations lacking (August 2010)
Gasoline Mid B15 June 2009Clarification needed (June 2009, January 2015, July 2016, August 2016), Unsourced statements (September 2014, July 2014, April 2016, June 2015, August 2016, October 2016, May 2017), Update needed (April 2016), ... (August 2016), Dead external links (January 2017, August 2017)
Gel Mid C1 February 2017... (February 2017)
Gelonin Low Stub1 November 2016... (November 2016)
George Sarton Low Start1 December 2008... (December 2008)
Gibbs free energy Top B4 March 2015Clarification needed (March 2015, October 2016), Dead external links (January 2017), ... (August 2017)
Glass tube Mid Stub1 December 2009... (December 2009)
Glenn T. Seaborg bibliography Low List2 November 2012... (November 2012), Incomplete lists (November 2012)
Globally Harmonized System of Classification and Labelling of Chemicals Mid Start8 May 2008Style editing needed (May 2008), In-text citations lacking (September 2013), CS1 errors: dates, Dead external links (September 2016), Vague or ambiguous time (February 2017), Unsourced statements (February 2017), Weasel-worded phrases (February 2017), ... (February 2017)
Glovebox Mid Start1 April 2011... (April 2011)
Glucosinolate Low Start3 January 2013... (January 2013), Unsourced statements (October 2015, January 2013)
Glycan Low Start1 May 2012... (May 2012)
Glycosidic bond Mid C2 May 2014Citation lacking title, ... (May 2014)
Glycosyl Low Stub1 December 2009... (December 2009)
Green chemistry metrics Low Start2 March 2016... (March 2016), Reliable references lacking (March 2016)
Green death Low Stub1 October 2008... (October 2008)
Grote-Hynes theory Low Stub4 August 2015... (August 2015), Reliable references lacking (August 2015), Orphaned (August 2015), Wikilinks needed (September 2015)
Ground glass joint Low C2 November 2016... (November 2016), Clarification needed (June 2017)
Group 11 element Low Start2 February 2012Expansion needed (February 2012), ... (April 2013)
Gulal Low C4 June 2016Unsourced statements (June 2016, March 2017), NPOV disputes (June 2016), ... (October 2016)
Gum guaicum Low Stub1 April 2010... (April 2010)
Gérard Férey Mid Start1 August 2017... (August 2017)
Half-reaction High Start1 June 2014... (June 2014)
Hammett equation Mid Start11 June 2015Unsourced statements (June 2015), Style editing needed (June 2015), Update needed (June 2015), ... (June 2015), Reliable references lacking (June 2015), Cleanup needed (June 2015, June 2015), Clarification needed (June 2015), Factual verification needed (June 2015), Page number citations needed (June 2015), References lacking (June 2015)
Handbook of Porphyrin Science Low Stub2 August 2009... (August 2009), Orphaned (January 2011)
Hard water Mid Start1 June 2015... (June 2015)
Heat capacity High C6 August 2008Unsourced statements (August 2008, April 2010, February 2015), ... (October 2013, February 2015), Original research (February 2015)
Heat of combustion High Start4 May 2011Unsourced statements (May 2011, November 2013, June 2015), ... (June 2015)
Heinrich Otto Wieland High Start2 June 2017... (June 2017), Unsourced statements (August 2017)
Henderson–Hasselbalch equation Mid C4 February 2017Expert attention needed (February 2017), Original research (February 2017), ... (February 2017)
Herbicide High C12 1992Potentially dated statements (1992), ... (August 2011), Unsourced statements (August 2011, June 2014, January 2015, May 2017), Weasel-worded phrases (July 2010, December 2012), Page number citations needed (January 2013), CS1 errors: dates, Expansion needed (December 2015), Viewpoints needed (October 2015)
Hermann Wilhelm Vogel Mid Start1 May 2012... (May 2012)
Herz reaction Mid Start1 December 2010... (December 2010)
Heterodiamond Low Stub1 January 2008... (January 2008)
Hexagonal phase Low Start1 September 2014... (September 2014)
Hexamine fuel tablet Low Start3 July 2007... (July 2007), Unsourced statements (February 2016, June 2015)
Hofmann voltameter Low Start1 October 2008... (October 2008)
Homologous series Mid Start1 September 2014... (September 2014)
Homology (chemistry) Low Stub1 November 2011... (November 2011)
Hoopes process Low Start1 May 2017... (May 2017)
Hot plate Low Start3 October 2010... (October 2010, September 2013), Original research (September 2013)
Houben-Weyl Methods of Organic Chemistry Low Stub1 August 2009... (August 2009)
Hybrid input output (HIO) algorithm for phase retrieval Low Start1 April 2010... (April 2010)
Hydrogen ion Low Start1 October 2014... (October 2014)
Hydrogen safety Low Start2 July 2011Limited geographic scope (July 2011), ... (November 2014)
Hydrolysis Top C2 April 2017... (April 2017), Original research (April 2017)
Hydroxyl radical Low C1 May 2010... (May 2010)
Hygroscopy High Start2 July 2009... (July 2009), Unsourced statements (September 2010)
Ice Mid C1 March 2017... (March 2017)
Ice crystals Mid Stub2 March 2015... (March 2015), CS1 errors: dates
In situ polymerization Low Stub4 April 2009... (April 2009), Cleanup needed (April 2009, April 2009), Orphaned (December 2015)
Initiation (chemistry) Mid Stub1 May 2010... (May 2010)
Institute for the History of Aluminium Low Stub2 July 2008... (July 2008), Wikilinks needed (June 2016)
International Chemical Safety Cards Mid Start1 September 2014... (September 2014)
International Year of Crystallography Low Stub3 January 2014Notability unclear (January 2014), ... (January 2014), CS1 errors: external links
Intrinsic Noise Analyzer Low Stub5 July 2012Expert attention needed (July 2012), Context needed (July 2012), Introduction cleanup (July 2012), ... (July 2012)
Ionic potential Low Stub1 August 2017... (August 2017)
Ionic strength Mid Start1 October 2008... (October 2008)
Iron–hydrogen alloy Low B2 December 2014... (December 2014), Unsourced statements (December 2014)
Isotopic labeling Mid C2 November 2011Unsourced statements (November 2011), ... (November 2011)
James B. Sumner High Start2 February 2013... (February 2013), Unsourced statements (January 2015)
James Walker (chemist) Low Start1 February 2013... (February 2013)
Jean-Luc Brédas Mid Stub1 October 2016... (October 2016)
Jeremy R. Knowles Low Start1 February 2013... (February 2013)
Jnan Chandra Ghosh Low C2 July 2015... (July 2015), In-text citations lacking (July 2015)
Joel Henry Hildebrand Low C1 March 2013... (March 2013)
John Bockris Low Start3 May 2015... (September 2015), Reference cleanup (May 2015), Peacock terms (September 2015)
Joseph Thomas Walker Low Start3 March 2015... (March 2015), Orphaned (May 2015), Peacock terms (March 2015)
Journal of Oil Palm Research Low Stub1 March 2015... (March 2015)
Journal of the Chemical Society Mid Start2 February 2015... (February 2015), Dead external links (February 2015)
Jöns Jacob Berzelius High Start2 January 2010... (January 2010), Unsourced statements (March 2011)
Kauri-butanol value Low Stub1 March 2012... (March 2012)
Khimera Low Start1 September 2009... (September 2009)
Kinetic Sand Low Stub1 November 2016... (November 2016)
Kinetic fractionation Low Stub1 December 2009... (December 2009)
Kintech Lab Low Start2 September 2009Notability unclear (September 2009), ... (September 2009)
Krakatoa (explosive) Low Start1 October 2008... (October 2008)
Laboratory centrifuge Low C1 February 2008... (February 2008)
Laboratory glassware Mid C1 February 2011... (February 2011)
Laws of science High Start1 February 2008... (February 2008)
Lead–acid battery Mid C6 July 2013Unsourced statements (December 2013), ... (December 2013), Clarification needed (July 2013), CS1 errors: dates, CS1 errors: chapter ignored, Dead external links (December 2016)
Lemon battery Low C1 January 2015... (January 2015)
Leo Brewer Low Start1 March 2013... (March 2013)
Limiting reagent Low Start1 June 2015... (June 2015)
Linear alpha olefin Low Start1 September 2011... (September 2011)
Linear sweep voltammetry Low Start1 March 2011... (March 2011)
Liquefied petroleum gas Mid Start4 August 2009... (September 2009), Unsourced statements (August 2009, June 2010, September 2015)
Liquid Top B4 October 2014... (October 2014), Original research (October 2014), Unsourced statements (June 2017, July 2017)
Liquid crystal Mid GA2 May 2012... (May 2012), Unsourced statements (August 2016)
Liquid metal Low Start4 April 2015Citation with format and no URL, ... (April 2015), Style editing needed (April 2015), CS1 errors: external links
Liquidus Low Start1 January 2014... (January 2014)
Liquid–liquid extraction Mid C5 March 2014Unsourced statements (May 2014), ... (March 2014, May 2014), Citation with bare URL, Citation lacking title
List of Jewish American chemists Low List2 January 2007... (January 2007), Orphaned (January 2011)
List of NA numbers Low List1 November 2016... (November 2016)
List of alchemical substances Low List2 August 2008Incomplete lists (August 2008), ... (August 2016)
List of benzo compounds Low List2 January 2010Orphaned (January 2010), ... (March 2014)
List of miscellaneous designer cannabinoids Low List2 May 2016... (May 2016), Categories needed (May 2016)
List of unsolved problems in chemistry Low List9 November 2011... (December 2014), Expert attention needed (November 2011), Accuracy disputes (November 2011, December 2014), Unsourced statements (December 2014), Reliable references lacking (December 2014), Weasel-worded phrases (December 2014), Factual verification needed (December 2014)
Lithium iron phosphate battery Mid Start8 April 2010Unsourced statements (April 2010, December 2010, February 2012, April 2013, February 2014, April 2016), Update needed (June 2014), ... (June 2014)
Lithium polymer battery Low C5 December 2010... (December 2010), Unsourced statements (June 2014, March 2017), Citation with bare URL, Citation lacking title
Loker Hydrocarbon Research Institute Low Stub3 February 2015Coordinates needed, ... (February 2015), Notability unclear (February 2015)
Louise Hammarström Low Stub1 November 2012... (November 2012)
Lowry protein assay Mid Start1 March 2009... (March 2009)
Lye Low Start4 November 2014... (November 2014), Page number citations needed (November 2014), Failed verification (November 2014), Unsourced statements (September 2016)
MKM steel Low Stub3 May 2016Unsourced statements (May 2016), ... (May 2016), Reliable references lacking (September 2017)
Macromolecule Mid C1 May 2013... (May 2013)
Magnesium alloy Low C3 August 2009Detailed references needed, ... (August 2009), Unsourced statements (January 2015)
Magnetic quantum number Mid Start2 May 2016... (May 2016), Disputed statements (May 2016)
Magnetic stirrer Mid Start1 September 2010... (September 2010)
Magnox (alloy) Low Start1 January 2015... (January 2015)
Martin Heinrich Klaproth High Start1 January 2013... (January 2013)
Max Bodenstein Mid C1 February 2013... (February 2013)
Mechanostereochemistry Low Stub2 September 2008... (September 2008), Orphaned (February 2009)
Melamine foam Low Start8 January 2016Unsourced statements (May 2016), Expansion needed (May 2016), Vague or ambiguous time (May 2016, January 2016), ... (May 2016), Reliable references lacking (May 2016), Weasel-worded phrases (May 2016), Clarification needed (May 2016)
Mercury coulometer Low Stub1 October 2008... (October 2008)
Metabolite Mid Stub1 April 2013... (April 2013)
Metallic bonding High C3 October 2009... (October 2009, September 2014), Clarification needed (January 2014)
Metallurgical assay Mid Start1 May 2009... (May 2009)
Methylene group Low Stub2 January 2017Update needed (January 2017), ... (September 2017)
Methylthiomethyl ether Low Start1 June 2016... (June 2016)
Metrohm Low Start2 December 2016... (December 2016), Orphaned (September 2017)
Micro-compounding Low Start2 July 2012... (August 2012), Orphaned (July 2012)
Micro-encapsulation Mid C1 January 2017... (January 2017)
Micronization Low Start1 December 2009... (December 2009)
Microstructure Low C1 June 2007... (June 2007)
Microviscosity Low Stub1 September 2010... (September 2010)
Mineral hydration Low Start1 October 2015... (October 2015)
Miscibility Mid Start1 May 2013... (May 2013)
Mixed potential theory Low Stub1 October 2008... (October 2008)
Mixer-settler Low C1 March 2016... (March 2016)
Modified starch Low Start3 May 2010... (May 2010), Unsourced statements (January 2011), Disputed statements (January 2011)
Molar mass High Start1 December 2008... (December 2008)
Molecular electronic transducers Low Start1 March 2009... (March 2009)
Molecular graphics Mid B3 June 2009... (June 2009), Unsourced statements (June 2014), Vague or ambiguous time (June 2014)
Molecular modification Low Stub1 January 2016... (January 2016)
Molecular property Mid Stub1 April 2007... (April 2007)
Monatomic gas Low Start1 May 2012... (May 2012)
Mond gas Low Start1 March 2010... (March 2010)
Monosaccharide High Start2 July 2009... (July 2009), Context needed (September 2013)
Montan wax Low Stub1 February 2012... (February 2012)
Mucilage Low Start1 January 2013... (January 2013)
Muhammad ibn Zakariya al-Razi Low C7 November 2010Unsourced statements (October 2012, November 2016), ... (May 2012), Factual verification needed (November 2010), Web citation with no URL, Citation with accessdate and no URL, CS1 errors: dates
Multicolumn countercurrent solvent gradient purification Mid Start1 September 2008... (September 2008)
Mustard oil Low Start2 December 2008Unsourced statements (December 2008), ... (November 2013)
Máté Hidvégi Low Start1 April 2017... (April 2017)
Nanochemistry Mid Start1 December 2016... (December 2016)
Natural refrigerant Low Stub2 October 2016Expansion needed (October 2016), ... (January 2017)
Natural science High C1 February 2012... (February 2012)
Neal Amundson Low Start4 November 2010... (November 2010), Unsourced statements (November 2010), Cleanup needed (November 2010, November 2010)
Nickel–metal hydride battery Low C5 2005Potentially dated statements (2005), ... (July 2015), Clarification needed (January 2013), CS1 errors: dates, Unsourced statements (June 2015)
Nitrile rubber Low Start5 March 2008... (March 2008), Unsourced statements (February 2013, August 2014, June 2015, August 2017)
Noble gas compound Mid C9 January 2015Cleanup needed (January 2015, January 2015), ... (January 2015), Expansion needed (January 2015), Reliable references lacking (January 2015), Unsourced statements (January 2015), Weasel-worded phrases (January 2015), Vague or ambiguous time (January 2015), Factual verification needed (January 2015)
Non-bonding orbital Mid Start3 January 2008... (January 2008), Expert attention needed (September 2008)
Non-methane volatile organic compound Low Stub1 February 2015... (February 2015)
Nuclear magnetic resonance spectra database Low Start2 March 2012Original research (March 2012), ... (June 2016)
Oil Mid C1 May 2017... (May 2017)
Oil mist Low Start1 April 2014... (April 2014)
Organic chemistry Top B2 February 2012Unsourced statements (February 2012), ... (December 2016)
Organic synthesis High B3 March 2016... (March 2016), Vague or ambiguous time (March 2016), Page number citations needed (March 2016)
Organoclay Low Stub2 February 2009Orphaned (February 2009), ... (September 2015)
Organolanthanide chemistry Mid Start1 May 2014... (May 2014)
Orgel diagram Low Stub2 December 2010... (December 2010), Links needing disambiguation (August 2017)
Otto Hahn High B2 December 2016... (December 2016), Unsourced statements (August 2017)
Overlayer Low Stub1 May 2016... (May 2016)
Oxidizing acid Low Stub1 May 2010... (May 2010)
Oxidizing and reducing flames Low Stub1 March 2015... (March 2015)
Ozone–oxygen cycle Mid Start1 September 2010... (September 2010)
PH indicator High Start1 May 2012... (May 2012)
PJ1 TrackBite Low Start4 February 2009... (February 2009), Unsourced statements (April 2010), Reliable references lacking (October 2015), Notability unclear (October 2015)
PSI (computational chemistry) Low Stub2 April 2011... (September 2014), Notability unclear (April 2011)
Paint Low C4 June 2008... (June 2008), Unsourced statements (August 2011, December 2015), Failed verification (December 2015)
Paint stripper Low Start3 May 2013Unsourced statements (May 2013), ... (June 2013), CS1 errors: dates
Paint thinner Low Stub1 July 2009... (July 2009)
Paper chemicals Low Start2 September 2015... (September 2015), Introduction cleanup (September 2015)
Paper chromatography High C1 February 2008... (February 2008)
Parafilm Low Stub3 November 2011Unsourced statements (April 2012), ... (November 2011), Original research (November 2011)
Parisa Mehrkhodavandi Low Start2 June 2017Orphaned (June 2017), ... (August 2017)
Partial molar property Mid C1 September 2008... (September 2008)
Particle segregation Low Start2 August 2011... (August 2011), Merge needed (March 2017)
Paul Flory Mid C1 February 2013... (February 2013)
Pauls Stradiņš Jr Low C1 June 2017... (June 2017)
Pensky–Martens closed-cup test Low Stub2 December 2008... (December 2008), In-text citations lacking (October 2011)
Pentagonal bipyramidal molecular geometry Mid Stub3 April 2017Expert attention needed (April 2017), ... (April 2017)
Pentagonal planar molecular geometry Mid Stub1 June 2016... (June 2016)
Peptide synthesis High C11 February 2013Unsourced statements (February 2013, November 2016), Weasel-worded phrases (November 2016), Vague or ambiguous time (November 2016), Obsolete information (November 2016), Update needed (November 2016), Reliable references lacking (November 2016), Original research (November 2016), Factual verification needed (November 2016), ... (November 2016, June 2017)
Peptidomimetic Low Start1 April 2007... (April 2007)
Perfluorinated compound Mid List5 2010Potentially dated statements (2010), ... (August 2015), Cleanup needed (September 2015), Prose needed (September 2015), Merge needed (February 2016)
Periodic trends Mid C2 June 2007... (June 2007), Style editing needed (November 2015)
Peroxyacyl nitrates Mid Stub1 December 2010... (December 2010)
Petrochemistry Mid Stub2 July 2012Unsourced statements (July 2012), ... (December 2015)
Petroleum Mid B8 July 2010Unsourced statements (January 2013, November 2010, January 2015), Web citation with no URL, Failed verification (July 2010), Update needed (April 2016), ... (October 2016), Dead external links (August 2017)
Peukert's law Mid Start2 February 2011... (February 2011), Unsourced statements (April 2015)
Phenol extraction Low Start3 April 2014Dead external links (April 2014), Style editing needed (April 2014), ... (February 2015)
Photodissociation Mid C2 August 2014... (August 2014), Dead external links (August 2014)
Photoionization detector Low Stub1 December 2009... (December 2009)
Phytochemistry High Start2 June 2013Unsourced statements (June 2013), ... (June 2016)
Pi bond Top C1 February 2013... (February 2013)
PiHKAL Low Start2 December 2007... (December 2007), Unsourced statements (April 2013)
Pipette Low Start2 July 2012... (July 2012), Unsourced statements (July 2016)
Piranha solution Low Start1 December 2014... (December 2014)
Plasma electrolytic oxidation Low Start1 April 2017... (April 2017)
Plasma-enhanced chemical vapor deposition Low Start2 April 2011... (April 2011), Unsourced statements (August 2011)
Plate reader Low Start3 November 2008... (April 2012), Expert attention needed (November 2008)
Plumber's putty Low Stub2 October 2013Original research (October 2013), ... (June 2016)
Polarimeter Mid Start1 December 2009... (December 2009)
Polyetherimide Low Stub1 September 2014... (September 2014)
Polyhalogenated compound Mid Start1 February 2009... (February 2009)
Polyisocyanurate Low Start3 October 2012... (October 2012), Unsourced statements (April 2013), Reliable references lacking (April 2017)
Polylactic acid Low C3 March 2014Weasel-worded phrases (March 2014), ... (June 2015), Disputed statements (June 2015)
Polymer brush Low Start3 December 2009... (December 2009), Expansion needed (March 2013), Citation lacking title
Polyolefin Low Start3 January 2011... (January 2011), Page number citations needed (July 2013), Unsourced statements (November 2016)
Positive pressure personnel suit Low Start3 December 2011Expansion needed (December 2011), Dead external links (March 2017), ... (August 2017)
Potential Determining Ion Low Stub2 August 2009Clarification needed (August 2009), ... (September 2014)
Potentiator Low Start1 April 2009... (April 2009)
Precipitation (chemistry) High C1 February 2008... (February 2008)
Proteinoid Low Start4 December 2009... (December 2009), Citation lacking title, Unsourced statements (March 2014, September 2017)
Pseudorotation Low Stub2 December 2009... (December 2009), Unsourced statements (May 2014)
PubChem Low Start3 January 2009... (January 2009), Cleanup needed (November 2009, November 2009)
Q10 (temperature coefficient) Low Start1 December 2009... (December 2009)
Qualitative inorganic analysis High Start3 February 2013... (February 2013), Expansion needed (October 2014), Clarification needed (February 2016)
Quantitative analysis (chemistry) Mid Start1 June 2016... (June 2016)
Quickfit apparatus Low Start1 January 2015... (January 2015)
Quinhydrone electrode Low Start2 May 2009Unsourced statements (May 2009), ... (February 2013)
Raman microscope Low Stub1 February 2015... (February 2015)
Rapid Communications in Mass Spectrometry Low Stub1 August 2014... (August 2014)
Reactions on surfaces Low Start2 July 2012... (July 2012), Unsourced statements (September 2017)
Reactivity (chemistry) Mid Start1 June 2016... (June 2016)
Rechargeable battery Low C3 November 2011Unsourced statements (November 2011), Dead external links (November 2016), ... (September 2017)
Recrystallization (chemistry) High C1 October 2009... (October 2009)
Reducing agent Low Start1 October 2016... (October 2016)
Reducing atmosphere Low Start1 May 2009... (May 2009)
Reduction potential High Start5 May 2008... (May 2008, October 2011), Unsourced statements (April 2012, September 2013), Clarification needed (February 2012)
Refrigerant Low C5 May 2013Unsourced statements (December 2013, August 2015), ... (December 2013), Accuracy disputes (May 2013), Dead external links (January 2017)
Remington Medal Low List1 January 2015... (January 2015)
Residual entropy Low Start1 February 2016... (February 2016)
Resonance (chemistry) High C5 December 2011Unsourced statements (December 2011, January 2017, August 2017), Citation lacking title, ... (January 2017)
Resonance fluorescence Low Stub1 December 2010... (December 2010)
Retention uniformity Low Stub1 December 2011... (December 2011)
Retort Mid Start1 March 2008... (March 2008)
Reviews in Mineralogy and Geochemistry Low Stub4 May 2017Web citation with no URL, Citation with accessdate and no URL, CS1 errors: external links, ... (May 2017)
Revista Brasileira de Chímica Low Stub1 July 2015... (July 2015)
Ripening Low Start7 February 2010... (February 2010), Expert attention needed (January 2013), Unsourced statements (January 2014, July 2016, May 2017), Failed verification (July 2017)
Robert H. Wentorf, Jr. Low Start1 February 2013... (February 2013)
Round-bottom flask Mid Start1 December 2009... (December 2009)
Rule-based modeling Low Stub1 February 2012... (February 2012)
Rust High Start7 May 2012Unsourced statements (May 2012, November 2012, January 2014, December 2013, April 2014, February 2017), ... (June 2012)
Salicide Low Start1 September 2014... (September 2014)
Salt bridge Mid C1 September 2014... (September 2014)
Salting in Low Stub2 November 2015Unsourced statements (November 2015), ... (March 2016)
Samuel E. Horne Jr. Mid Start1 May 2015... (May 2015)
Saturate, aromatic, resin and asphaltene Low Stub1 November 2013... (November 2013)
Scoopula Low Start2 September 2015... (September 2015), Reliable references lacking (September 2015)
Selenonic acid Low Stub2 April 2017... (April 2017), Expansion needed (April 2017)
Semisynthesis Mid Start3 March 2017Unsourced statements (March 2017), Factual verification needed (March 2017), ... (March 2017)
Shea butter Low Start6 January 2010Detailed references needed, Unsourced statements (January 2010, June 2012, April 2016, December 2016), ... (June 2014)
Shell–Paques process Mid Start2 March 2008... (March 2008), Orphaned (April 2011)
Sigma-Aldrich Low Start3 September 2013... (November 2014), Reliable references lacking (September 2013), CS1 errors: external links
Silanization Low Stub3 July 2007... (July 2007), Expansion needed (August 2008, January 2011)
Single bond High Start2 July 2012Expansion needed (July 2012), ... (August 2012)
Singlet oxygen Mid C4 August 2015... (August 2015), Unsourced statements (August 2015), Reliable references lacking (August 2015), Factual verification needed (August 2015)
Smart polymer Low Stub4 September 2009Expert attention needed (September 2009), ... (March 2013), Introduction cleanup (March 2013)
Smoke Mid C3 February 2008Unsourced statements (February 2008, March 2017), ... (July 2014)
Sodium cocoate Low Stub1 April 2017... (April 2017)
Sodium salts Low Stub1 December 2016... (December 2016)
Sol (colloid) Low Stub1 January 2015... (January 2015)
Solid Top Start1 May 2017... (May 2017)
Solid-state battery Low Stub1 September 2016... (September 2016)
Space-filling model Low Start3 June 2015... (June 2015), Reliable references lacking (June 2015), Factual verification needed (June 2015)
Spectroscopy Top B4 April 2016Citation with format and no URL, ... (April 2016), Cleanup needed (April 2016), Prose needed (April 2016)
Spiro compound Mid C10 January 2016Unsourced statements (February 2016), Citation with format and no URL, Merge needed (January 2016), ... (February 2016), Reliable references lacking (February 2016), Expansion needed (February 2016), Self-contradictory articles (February 2016), Clarification needed (February 2016), Factual verification needed (February 2016, March 2016)
Staircase voltammetry Low Stub1 March 2011... (March 2011)
Standard Gibbs free energy of formation Mid List1 December 2011... (December 2011)
Steam High Start4 September 2013Unsourced statements (September 2013), ... (September 2013), Accuracy disputes (September 2013), Page number citations needed (September 2013)
Stereocenter High Start5 February 2016Expert attention needed (February 2016), ... (February 2016), Clarification needed (February 2016), Page number citations needed (February 2016)
Stress corrosion cracking Low C1 December 2007... (December 2007)
Structural isomer High Start3 November 2014... (November 2014), Citation with accessdate and no URL, Disputed statements (November 2014)
Styrene-butadiene Low Start1 September 2015... (September 2015)
Substituted phenethylamine Low Start3 August 2014Unsourced statements (February 2016), ... (August 2014), Expansion needed (December 2015)
Syneresis (chemistry) Low Stub1 February 2015... (February 2015)
Synthetic rubber Mid Start1 May 2016... (May 2016)
Syringe filter Low C4 February 2007... (February 2007), Expert attention needed (February 2009), Unsourced statements (February 2007)
Table of naturally occurring tryptamines Low List2 August 2008Incomplete lists (August 2008), ... (November 2014)
Tafel equation Low Start1 October 2008... (October 2008)
Tannin High C8 August 2009... (August 2009, October 2015), Unsourced statements (October 2015, March 2013, August 2017), Dead external links (October 2010, September 2016), Accuracy disputes (May 2011)
Tautomer High B4 July 2015... (July 2015), Unsourced statements (July 2015), Reliable references lacking (July 2015), Factual verification needed (July 2015)
Tellurite (ion) Low Start1 December 2009... (December 2009)
Tetrytol Low Stub1 January 2016... (January 2016)
The Combustion Institute Mid Start2 August 2009Reliable references lacking (August 2009), ... (August 2009)
The Sceptical Chymist Mid Start1 October 2011... (October 2011)
Theoretical oxygen demand Low Stub3 December 2008Expert attention needed (December 2008), ... (September 2014)
Thermal decomposition Mid Start2 August 2010Unsourced statements (August 2010), ... (October 2013)
Thermonuclear weapon Mid C9 September 2009Expansion needed (September 2009), ... (August 2013, December 2015), In-text citations lacking (August 2013), Reliable references lacking (October 2014, December 2016), Unsourced statements (January 2016, September 2017), Clarification needed (June 2017)
Thermoplastic olefin Low Stub1 November 2015... (November 2015)
Thickening agent Low Start2 March 2014... (March 2014), Unsourced statements (December 2016)
Thistle tube Low Stub1 June 2016... (June 2016)
Tide (brand) Low Start3 January 2013Unsourced statements (September 2013), Potentially dated statements (January 2013), ... (November 2016)
Titanium Beta C Low Stub3 August 2012Cleanup needed (August 2012), ... (August 2012), Prose needed (August 2012)
Tonite (explosive) Low Stub1 March 2016... (March 2016)
Tool steel Low C1 August 2009... (August 2009)
Total dissolved solids Mid C1 February 2016... (February 2016)
Total organic carbon Mid Start6 January 2009... (January 2009, April 2012), Unsourced statements (April 2012, August 2013), Clarification needed (November 2016), Split needed (September 2017)
Toxinology Low Start3 February 2009... (February 2010), Expert attention needed (February 2009)
Triazole Mid Stub1 June 2009... (June 2009)
Trichothecene Low C3 October 2008... (October 2008, July 2014), Unsourced statements (September 2010)
Tricyclic Mid Start1 January 2010... (January 2010)
Trihalomethane Mid Start1 March 2016... (March 2016)
Trimer (chemistry) Low Stub3 May 2014Citation lacking title, Clarification needed (May 2014), ... (June 2016)
Triplet oxygen Mid Start2 March 2015Reliable references lacking (March 2015), ... (November 2016)
UNS C69100 Low Stub1 June 2010... (June 2010)
Ullmann's Encyclopedia of Industrial Chemistry Low Stub1 October 2016... (October 2016)
University of Edinburgh School of Chemistry Low Start3 April 2013Coordinates needed, ... (April 2013), Unsourced statements (May 2015)
Unsaponifiable Low Stub1 June 2016... (June 2016)
Unsaturated fat Mid C4 January 2015... (January 2015), Rewrite needed (January 2015), Unsourced statements (March 2017, April 2017)
Uranium oxide Low Stub1 December 2009... (December 2009)
Vacuum distillation Low C5 February 2015... (February 2015), Reliable references lacking (February 2015), Expansion needed (February 2015), Cleanup needed (February 2015, February 2015)
Valency interaction formula Low Stub1 October 2012... (October 2012)
Van 't Hoff equation Mid C1 August 2017... (August 2017)
Van der Waals radius Mid B2 June 2015... (June 2015), Reliable references lacking (June 2015)
Van der Waals surface Low Stub3 July 2011... (July 2011), Unsourced statements (June 2015), Reliable references lacking (June 2015)
Variational transition-state theory Low Stub2 November 2008... (November 2008), Wikilinks needed (November 2012)
Vibrational bond Mid Start2 June 2015... (June 2015), Wikilinks needed (June 2015)
Vicinal (chemistry)