Palygorskite-expanded graphite electrodes for catalytic electro-oxidation of phenol

被引：28
|
作者：
Kong, Yong [1 ]
Chen, Xiaohui [1 ]
Ni, Junhua [1 ]
Yao, Shiping [2 ]
Wang, Wenchang [1 ]
Luo, Zhenyu [1 ]
Chen, Zhidong [1 ]
机构：
[1] Jiangsu Polytech Univ, Fac Chem & Chem Engn, Changzhou 213164, Peoples R China
[2] ChemChina Petr Dev Corp, Beijing 100080, Peoples R China
来源：
APPLIED CLAY SCIENCE | 2010年 / 49卷 / 1-2期
关键词：
Expanded graphite; Palygorskite; Phenol; Electro-oxidation; Catalysis; ELECTROCHEMICAL CHARACTERIZATION; TYROSINASE;
D O I：
10.1016/j.clay.2010.04.003
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A palygorskite-expanded graphite (EG) electrode was developed for degradation of phenol. Phenol was determined by differential pulse voltammetry (DPV) with this electrode. Compared to carbon paste electrodes and unmodified EG electrodes, the novel electrode appeared to induce catalytic electro-oxidation of phenol. The dependence of signals on operating conditions was studied. The modified electrode exhibited a linear response over a wide range of phenol concentrations from 50 to 500 mu M, with a detection limit of 4.5 mu M (s/n = 3). Low cost and very simple manufacturing procedure allow for the novel electrodes to be applied as disposable devices for catalytic electro-oxidation of phenol. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：64 / 68
页数：5
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