Electrochemical Determination of Pyrogallol at Conducting Poly(3,4-ethylenedioxythiophene) Film-Modified Screen-Printed Carbon Electrodes
The electrochemical oxidation of pyrogallol at electrogenerated poly(3,4‐ethylenedioxythiophene) (PEDOT) film‐modified screen‐printed carbon electrodes (SPCE) was investigated. The voltammetric peak for the oxidation of pyrogallol in a pH 7 buffer solution at the modified electrode occurred at 0.13 ...
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| Veröffentlicht in: | Electroanalysis (New York, N.Y.) N.Y.), 2014-10, Vol.26 (10), p.2237-2243 |
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| container_title | Electroanalysis (New York, N.Y.) |
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| creator | Hung, Cheng-Hsien Chang, Wei-Ting Su, Wan-Yu Cheng, Shu-Hua |
| description | The electrochemical oxidation of pyrogallol at electrogenerated poly(3,4‐ethylenedioxythiophene) (PEDOT) film‐modified screen‐printed carbon electrodes (SPCE) was investigated. The voltammetric peak for the oxidation of pyrogallol in a pH 7 buffer solution at the modified electrode occurred at 0.13 V, much lower than the bare SPCE and preanodized SPCE. The experimental parameters, including electropolymerization conditions, solution pH values and applied potentials were optimized to improve the voltammetric responses. A linear calibration plot, based on flow‐injection amperometry, was obtained for 1–1000 µM pyrogallol, and a slope of 0.030 µA/µM was obtained. The detection limit (S/N=3) was 0.63 µM. |
| doi_str_mv | 10.1002/elan.201400296 |
| format | Article |
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The voltammetric peak for the oxidation of pyrogallol in a pH 7 buffer solution at the modified electrode occurred at 0.13 V, much lower than the bare SPCE and preanodized SPCE. The experimental parameters, including electropolymerization conditions, solution pH values and applied potentials were optimized to improve the voltammetric responses. A linear calibration plot, based on flow‐injection amperometry, was obtained for 1–1000 µM pyrogallol, and a slope of 0.030 µA/µM was obtained. The detection limit (S/N=3) was 0.63 µM.</description><identifier>ISSN: 1040-0397</identifier><identifier>EISSN: 1521-4109</identifier><identifier>DOI: 10.1002/elan.201400296</identifier><language>eng</language><publisher>Weinheim: WILEY-VCH Verlag</publisher><subject>4-ethylenedioxythiophene ; Buffer solutions ; Calibration ; Carbon ; Conduction ; Cyclic voltammetry ; Electrical measurements ; Electrochemical oxidation ; Electrodes ; Flow-injection amperometry ; Poly ; Poly(3,4‐ethylenedioxythiophene) ; Pyrogallol ; Screen-printed carbon electrodes ; Slopes</subject><ispartof>Electroanalysis (New York, N.Y.), 2014-10, Vol.26 (10), p.2237-2243</ispartof><rights>2014 WILEY‐VCH Verlag GmbH & Co. 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The voltammetric peak for the oxidation of pyrogallol in a pH 7 buffer solution at the modified electrode occurred at 0.13 V, much lower than the bare SPCE and preanodized SPCE. The experimental parameters, including electropolymerization conditions, solution pH values and applied potentials were optimized to improve the voltammetric responses. A linear calibration plot, based on flow‐injection amperometry, was obtained for 1–1000 µM pyrogallol, and a slope of 0.030 µA/µM was obtained. The detection limit (S/N=3) was 0.63 µM.</description><subject>4-ethylenedioxythiophene</subject><subject>Buffer solutions</subject><subject>Calibration</subject><subject>Carbon</subject><subject>Conduction</subject><subject>Cyclic voltammetry</subject><subject>Electrical measurements</subject><subject>Electrochemical oxidation</subject><subject>Electrodes</subject><subject>Flow-injection amperometry</subject><subject>Poly</subject><subject>Poly(3,4‐ethylenedioxythiophene)</subject><subject>Pyrogallol</subject><subject>Screen-printed carbon electrodes</subject><subject>Slopes</subject><issn>1040-0397</issn><issn>1521-4109</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkE1v1DAQhiMEEqVw5ZxjkfB2nDiOfSzb7YK0LYv4Olq2M-kanHixvaL5CfxrUm1VceM080rvMyM9RfGawoICVOfo9biogLI5SP6kOKFNRQmjIJ_OOzAgUMv2efEipR8AIDmTJ8WflUebY7A7HJzVvrzEjHFwo84ujGXoy-0Uw632PvhS53IZxu5gsxtvy23w01n9lhHMu8njiJ0Ld1PeubDfzelNeeX8QK5D53qHXfnZRsSRbKMb8xyXOpr5wcP7DtPL4lmvfcJXD_O0-Hq1-rJ8TzYf1x-WFxtiaw6cYGMMNp1hKCWzvTRGGmFa26PpgVMKSFtJtRRSNJXoKsqw1VzTCrWkrYD6tDg73t3H8OuAKavBJYt-tofhkBTllaw5EyDm6uJYtTGkFLFX--gGHSdFQd07V_fO1aPzGZBH4LfzOP2nrVabi5t_WXJkXcp498jq-FPxtm4b9f1mrb6Jd_BpXQkF9V-n35d1</recordid><startdate>201410</startdate><enddate>201410</enddate><creator>Hung, Cheng-Hsien</creator><creator>Chang, Wei-Ting</creator><creator>Su, Wan-Yu</creator><creator>Cheng, Shu-Hua</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>201410</creationdate><title>Electrochemical Determination of Pyrogallol at Conducting Poly(3,4-ethylenedioxythiophene) Film-Modified Screen-Printed Carbon Electrodes</title><author>Hung, Cheng-Hsien ; Chang, Wei-Ting ; Su, Wan-Yu ; Cheng, Shu-Hua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3606-e5bbe5db4e994cf9bb9b8b7cfebf06110e1791a9898528d214e7a6a12ea917803</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>4-ethylenedioxythiophene</topic><topic>Buffer solutions</topic><topic>Calibration</topic><topic>Carbon</topic><topic>Conduction</topic><topic>Cyclic voltammetry</topic><topic>Electrical measurements</topic><topic>Electrochemical oxidation</topic><topic>Electrodes</topic><topic>Flow-injection amperometry</topic><topic>Poly</topic><topic>Poly(3,4‐ethylenedioxythiophene)</topic><topic>Pyrogallol</topic><topic>Screen-printed carbon electrodes</topic><topic>Slopes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hung, Cheng-Hsien</creatorcontrib><creatorcontrib>Chang, Wei-Ting</creatorcontrib><creatorcontrib>Su, Wan-Yu</creatorcontrib><creatorcontrib>Cheng, Shu-Hua</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Electroanalysis (New York, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hung, Cheng-Hsien</au><au>Chang, Wei-Ting</au><au>Su, Wan-Yu</au><au>Cheng, Shu-Hua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrochemical Determination of Pyrogallol at Conducting Poly(3,4-ethylenedioxythiophene) Film-Modified Screen-Printed Carbon Electrodes</atitle><jtitle>Electroanalysis (New York, N.Y.)</jtitle><addtitle>Electroanalysis</addtitle><date>2014-10</date><risdate>2014</risdate><volume>26</volume><issue>10</issue><spage>2237</spage><epage>2243</epage><pages>2237-2243</pages><issn>1040-0397</issn><eissn>1521-4109</eissn><abstract>The electrochemical oxidation of pyrogallol at electrogenerated poly(3,4‐ethylenedioxythiophene) (PEDOT) film‐modified screen‐printed carbon electrodes (SPCE) was investigated. The voltammetric peak for the oxidation of pyrogallol in a pH 7 buffer solution at the modified electrode occurred at 0.13 V, much lower than the bare SPCE and preanodized SPCE. The experimental parameters, including electropolymerization conditions, solution pH values and applied potentials were optimized to improve the voltammetric responses. A linear calibration plot, based on flow‐injection amperometry, was obtained for 1–1000 µM pyrogallol, and a slope of 0.030 µA/µM was obtained. The detection limit (S/N=3) was 0.63 µM.</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/elan.201400296</doi><tpages>7</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | 4-ethylenedioxythiophene Buffer solutions Calibration Carbon Conduction Cyclic voltammetry Electrical measurements Electrochemical oxidation Electrodes Flow-injection amperometry Poly Poly(3,4‐ethylenedioxythiophene) Pyrogallol Screen-printed carbon electrodes Slopes |
| title | Electrochemical Determination of Pyrogallol at Conducting Poly(3,4-ethylenedioxythiophene) Film-Modified Screen-Printed Carbon Electrodes |
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