Electro-oxidation of Ascorbic Acid on PVP-stabilized Graphene Electrode |
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| Authors: | HAN Dong-fang SHAN Chang-sheng GUO Li-ping NIU Li HAN Dong-xue |
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| Affiliation: | [1]State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China [2]Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China |
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| Abstract: | Polyvinylpyrrolidone-stabilized graphene(PVP-graphene) was synthesized and investigated as a modifier for the determination of ascorbic acid(AA).With PVP acting as stabilizer and dispersant,the resulting PVP-graphene material could disperse well into water.And the PVP-graphene modified glassy carbon electrode(PVP-graphene-GCE) showed an obvious electrocatalytical activity toward the oxidation of AA in a phosphate buffer solution(PBS,pH=7.0) with an oxidation potential of AA at 0.052 V vs.Ag|AgCl(sat.KCl).Th... |
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| Keywords: | Graphene Polyvinylpyrrolidone Electro-oxidation Ascorbic acid |
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