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Article: Determination of salicylic acid in pharmaceutical formulations and foods by differential-pulse voltammetry using a glassy carbon electrode

TitleDetermination of salicylic acid in pharmaceutical formulations and foods by differential-pulse voltammetry using a glassy carbon electrode
Authors
Issue Date1989
PublisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/analyst
Citation
Analyst, 1989, v. 114 n. 8, p. 943-945 How to Cite?
AbstractThe electrochemical oxidation of salicylic acid (SA) has been studied on a glassy carbon electrode using cyclic voltammetry and differential pulse voltammetric (DPV) method. SA gives a single irreversible oxidation wave over the wide pH range studied. The irreversibility of the electrode process was verified by different criteria. The mechanism of oxidation is discussed. Using differential pulse voltammetry, SA yielded a well-defined voltammetric response in Britton-Robinson buffer solution, pH 2.37 at 1.088V (versus Ag/AgCl). The method was linear over the SA concentration range: 1-60mugml(-1). The method was successfully applied for the analysis of SA as a hydrolysis product, in solid pharmaceutical formulations containing acetylsalicylic acid (ASA).
Persistent Identifierhttp://hdl.handle.net/10722/167481
ISSN
2015 Impact Factor: 4.033
2015 SCImago Journal Rankings: 1.300
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorFung, YSen_US
dc.contributor.authorLuk, SFen_US
dc.date.accessioned2012-10-08T03:07:33Z-
dc.date.available2012-10-08T03:07:33Z-
dc.date.issued1989en_US
dc.identifier.citationAnalyst, 1989, v. 114 n. 8, p. 943-945en_US
dc.identifier.issn0003-2654en_US
dc.identifier.urihttp://hdl.handle.net/10722/167481-
dc.description.abstractThe electrochemical oxidation of salicylic acid (SA) has been studied on a glassy carbon electrode using cyclic voltammetry and differential pulse voltammetric (DPV) method. SA gives a single irreversible oxidation wave over the wide pH range studied. The irreversibility of the electrode process was verified by different criteria. The mechanism of oxidation is discussed. Using differential pulse voltammetry, SA yielded a well-defined voltammetric response in Britton-Robinson buffer solution, pH 2.37 at 1.088V (versus Ag/AgCl). The method was linear over the SA concentration range: 1-60mugml(-1). The method was successfully applied for the analysis of SA as a hydrolysis product, in solid pharmaceutical formulations containing acetylsalicylic acid (ASA).-
dc.languageengen_US
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/analysten_US
dc.relation.ispartofAnalysten_US
dc.titleDetermination of salicylic acid in pharmaceutical formulations and foods by differential-pulse voltammetry using a glassy carbon electrodeen_US
dc.typeArticleen_US
dc.identifier.emailFung, YS:ysfung@hku.hken_US
dc.identifier.authorityFung, YS=rp00697en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.talanta.2003.07.005-
dc.identifier.pmid18969288-
dc.identifier.scopuseid_2-s2.0-0024327487en_US
dc.identifier.volume114en_US
dc.identifier.issue8en_US
dc.identifier.spage943en_US
dc.identifier.epage945en_US
dc.identifier.isiWOS:000187955900004-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridFung, YS=13309754700en_US
dc.identifier.scopusauthoridLuk, SF=7005840604en_US

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