Electrocatalytic activity of a cobalt hexacyanoferrate modified glassy carbon electrode toward ascorbic acid oxidation

被引：128

作者：

Cai, CX ^{[1
]}

Xue, KH ^{[1
]}

Xu, SM ^{[1
]}

机构：

[1] Nanjing Normal Univ, Dept Chem, Nanjing 210097, Peoples R China

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2000年 / 486卷 / 02期

关键词：

electrocatalysis; chemically modified electrode; ascorbic acid; cobalt hexacyanoferrate;

D O I：

10.1016/S0022-0728(00)00114-5

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A cobalt hexacyanoferrate (CoHCF) modified glassy carbon (CoHCF/GC) electrode was prepared electrochemically. The voltammetric responses of CoHCF are stable and the electrochemical behaviour is related to the concentrations of supporting electrolyte and counterions. The CoHCF/GC electrode shows electrocatalytic activity toward the oxidation of ascorbic acid in phosphate buffer solution. The electrocatalytic rate constant of the CoHCF/GC electrode for the oxidation of ascorbic acid is determined using rotating disk electrode measurements. (C) 2000 Elsevier Science S.A. All rights reserved.

引用

页码：111 / 118

页数：8

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