Highly improved electrocatalytic behavior of sulfite at carbon ionic liquid electrode: Application to the analysis of some real samples
The electrocatalytic oxidation of sulfite was investigated at carbon ionic liquid electrode (CILE). This electrode is a very good alternative to previously described electrodes because the electrocatalytic effect is achieved without any electrode modification. Comparative experiments were carried ou...
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| Veröffentlicht in: | Analytica chimica acta 2008-09, Vol.625 (1), p.8-12 |
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| creator | Safavi, Afsaneh Maleki, Norouz Momeni, Safieh Tajabadi, Fariba |
| description | The electrocatalytic oxidation of sulfite was investigated at carbon ionic liquid electrode (CILE). This electrode is a very good alternative to previously described electrodes because the electrocatalytic effect is achieved without any electrode modification. Comparative experiments were carried out using carbon paste electrode (CPE) and glassy carbon electrode (GCE). At CILE, highly reproducible and well-defined cyclic voltammograms were obtained for sulfite with a peak potential of 0.55
V vs. Ag/AgCl. Sulfite oxidation at CILE does not result in deactivation of the electrode surface. The kinetic parameters for this irreversible heterogeneous electron transfer process were determined. Under optimal experimental conditions, the peak current response increased linearly with sulfite concentration over the range of 6–1000
μM. The detection limit of the method was 4
μM. The method was applied to the determination of sulfite in mineral water, grape juice and non-alcoholic beer samples. |
| doi_str_mv | 10.1016/j.aca.2008.07.007 |
| format | Article |
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V vs. Ag/AgCl. Sulfite oxidation at CILE does not result in deactivation of the electrode surface. The kinetic parameters for this irreversible heterogeneous electron transfer process were determined. Under optimal experimental conditions, the peak current response increased linearly with sulfite concentration over the range of 6–1000
μM. The detection limit of the method was 4
μM. The method was applied to the determination of sulfite in mineral water, grape juice and non-alcoholic beer samples.</description><identifier>ISSN: 0003-2670</identifier><identifier>EISSN: 1873-4324</identifier><identifier>DOI: 10.1016/j.aca.2008.07.007</identifier><identifier>PMID: 18721533</identifier><identifier>CODEN: ACACAM</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Analytical chemistry ; Beverages ; Carbon - chemistry ; Carbon ionic liquid electrode ; Catalysis ; Chemistry ; Electrochemical methods ; Electrochemistry ; Electrodes ; Exact sciences and technology ; Grape juice ; Hydrogen-Ion Concentration ; Ionic Liquids - chemistry ; Kinetics ; Mineral water ; Oxidation-Reduction ; Reproducibility of Results ; Sensitivity and Specificity ; Sulfite ; Sulfites - analysis ; Sulfites - chemistry ; Time Factors</subject><ispartof>Analytica chimica acta, 2008-09, Vol.625 (1), p.8-12</ispartof><rights>2008 Elsevier B.V.</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c412t-67141f3dfb9bf86009d975a191356f47aa6f2f80dc8d786d6f3ad7db1e549f823</citedby><cites>FETCH-LOGICAL-c412t-67141f3dfb9bf86009d975a191356f47aa6f2f80dc8d786d6f3ad7db1e549f823</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.aca.2008.07.007$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20632015$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18721533$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Safavi, Afsaneh</creatorcontrib><creatorcontrib>Maleki, Norouz</creatorcontrib><creatorcontrib>Momeni, Safieh</creatorcontrib><creatorcontrib>Tajabadi, Fariba</creatorcontrib><title>Highly improved electrocatalytic behavior of sulfite at carbon ionic liquid electrode: Application to the analysis of some real samples</title><title>Analytica chimica acta</title><addtitle>Anal Chim Acta</addtitle><description>The electrocatalytic oxidation of sulfite was investigated at carbon ionic liquid electrode (CILE). This electrode is a very good alternative to previously described electrodes because the electrocatalytic effect is achieved without any electrode modification. Comparative experiments were carried out using carbon paste electrode (CPE) and glassy carbon electrode (GCE). At CILE, highly reproducible and well-defined cyclic voltammograms were obtained for sulfite with a peak potential of 0.55
V vs. Ag/AgCl. Sulfite oxidation at CILE does not result in deactivation of the electrode surface. The kinetic parameters for this irreversible heterogeneous electron transfer process were determined. Under optimal experimental conditions, the peak current response increased linearly with sulfite concentration over the range of 6–1000
μM. The detection limit of the method was 4
μM. The method was applied to the determination of sulfite in mineral water, grape juice and non-alcoholic beer samples.</description><subject>Analytical chemistry</subject><subject>Beverages</subject><subject>Carbon - chemistry</subject><subject>Carbon ionic liquid electrode</subject><subject>Catalysis</subject><subject>Chemistry</subject><subject>Electrochemical methods</subject><subject>Electrochemistry</subject><subject>Electrodes</subject><subject>Exact sciences and technology</subject><subject>Grape juice</subject><subject>Hydrogen-Ion Concentration</subject><subject>Ionic Liquids - chemistry</subject><subject>Kinetics</subject><subject>Mineral water</subject><subject>Oxidation-Reduction</subject><subject>Reproducibility of Results</subject><subject>Sensitivity and Specificity</subject><subject>Sulfite</subject><subject>Sulfites - analysis</subject><subject>Sulfites - chemistry</subject><subject>Time Factors</subject><issn>0003-2670</issn><issn>1873-4324</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkc2OFCEURonROG3rA7gxbHRX5QWqgNLVZKKOySRudE0ofmw6VNEDVZ30E_jaMnZn3OmK3HC-LxcOQq8JtAQIf79vtdEtBZAtiBZAPEEbIgVrOka7p2gDAKyhXMAVelHKvo6UQPccXVWIkp6xDfp1G37u4gmH6ZDT0VnsojNLTkYvOp6WYPDodvoYUsbJ47JGHxaH9YKNzmOacUhzZWK4X8Nj1roP-PpwiKGW1Hu8JLzsamiujSWUP0Vpcjg7HXHR0yG68hI98zoW9-pybtGPz5--39w2d9--fL25vmtMR-jScEE64pn14zB6yQEGO4hek4GwnvtOaM099RKskVZIbrln2go7Etd3g5eUbdG7c2997v3qyqKmUIyLUc8urUXxoev7AeR_QdZJ2ncSKkjOoMmplOy8OuQw6XxSBNSDJrVXVZN60KRAqKqpZt5cytdxcvZv4uKlAm8vgC5GR5_1bEJ55ChwRqGSW_TxzLn6Z8fgsiomuNk4G3J1oWwK_1jjNwtcsco</recordid><startdate>20080905</startdate><enddate>20080905</enddate><creator>Safavi, Afsaneh</creator><creator>Maleki, Norouz</creator><creator>Momeni, Safieh</creator><creator>Tajabadi, Fariba</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20080905</creationdate><title>Highly improved electrocatalytic behavior of sulfite at carbon ionic liquid electrode: Application to the analysis of some real samples</title><author>Safavi, Afsaneh ; Maleki, Norouz ; Momeni, Safieh ; Tajabadi, Fariba</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c412t-67141f3dfb9bf86009d975a191356f47aa6f2f80dc8d786d6f3ad7db1e549f823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Analytical chemistry</topic><topic>Beverages</topic><topic>Carbon - chemistry</topic><topic>Carbon ionic liquid electrode</topic><topic>Catalysis</topic><topic>Chemistry</topic><topic>Electrochemical methods</topic><topic>Electrochemistry</topic><topic>Electrodes</topic><topic>Exact sciences and technology</topic><topic>Grape juice</topic><topic>Hydrogen-Ion Concentration</topic><topic>Ionic Liquids - chemistry</topic><topic>Kinetics</topic><topic>Mineral water</topic><topic>Oxidation-Reduction</topic><topic>Reproducibility of Results</topic><topic>Sensitivity and Specificity</topic><topic>Sulfite</topic><topic>Sulfites - analysis</topic><topic>Sulfites - chemistry</topic><topic>Time Factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Safavi, Afsaneh</creatorcontrib><creatorcontrib>Maleki, Norouz</creatorcontrib><creatorcontrib>Momeni, Safieh</creatorcontrib><creatorcontrib>Tajabadi, Fariba</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Analytica chimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Safavi, Afsaneh</au><au>Maleki, Norouz</au><au>Momeni, Safieh</au><au>Tajabadi, Fariba</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Highly improved electrocatalytic behavior of sulfite at carbon ionic liquid electrode: Application to the analysis of some real samples</atitle><jtitle>Analytica chimica acta</jtitle><addtitle>Anal Chim Acta</addtitle><date>2008-09-05</date><risdate>2008</risdate><volume>625</volume><issue>1</issue><spage>8</spage><epage>12</epage><pages>8-12</pages><issn>0003-2670</issn><eissn>1873-4324</eissn><coden>ACACAM</coden><abstract>The electrocatalytic oxidation of sulfite was investigated at carbon ionic liquid electrode (CILE). This electrode is a very good alternative to previously described electrodes because the electrocatalytic effect is achieved without any electrode modification. Comparative experiments were carried out using carbon paste electrode (CPE) and glassy carbon electrode (GCE). At CILE, highly reproducible and well-defined cyclic voltammograms were obtained for sulfite with a peak potential of 0.55
V vs. Ag/AgCl. Sulfite oxidation at CILE does not result in deactivation of the electrode surface. The kinetic parameters for this irreversible heterogeneous electron transfer process were determined. Under optimal experimental conditions, the peak current response increased linearly with sulfite concentration over the range of 6–1000
μM. The detection limit of the method was 4
μM. The method was applied to the determination of sulfite in mineral water, grape juice and non-alcoholic beer samples.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>18721533</pmid><doi>10.1016/j.aca.2008.07.007</doi><tpages>5</tpages></addata></record> |
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| subjects | Analytical chemistry Beverages Carbon - chemistry Carbon ionic liquid electrode Catalysis Chemistry Electrochemical methods Electrochemistry Electrodes Exact sciences and technology Grape juice Hydrogen-Ion Concentration Ionic Liquids - chemistry Kinetics Mineral water Oxidation-Reduction Reproducibility of Results Sensitivity and Specificity Sulfite Sulfites - analysis Sulfites - chemistry Time Factors |
| title | Highly improved electrocatalytic behavior of sulfite at carbon ionic liquid electrode: Application to the analysis of some real samples |
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