Voltammetric in situ investigation of an MCM-41-modified carbon paste electrode - a new sensor

被引：48
作者：
Walcarius, A
Despas, C
Trens, P
Hudson, MJ
Bessiere, J
机构：
[1] Univ Nancy 1, Lab Chim Phys Environm, CNRS, UMR 7564, F-54600 Villers Les Nancy, France
[2] Univ Reading, Dept Chem, Reading RG6 6AD, Berks, England
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1998年 / 453卷 / 1-2期
关键词：
MCM-41; modified carbon paste electrodes; preconcentration;
D O I：
10.1016/S0022-0728(98)00203-4
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The voltammetric response of a mesoporous pure silica-MCM-41 modified carbon paste electrode provides a new tool in the in situ investigation of mass transfer reactions involving copper(II) and mercury(II) species at the MCM-41\solution interface. The modified electrode has been successfully applied as a new selective sensor for these heavy metal cations in ammoniacal medium, in the presence of a large excess of alkali and alkaline earth elements. (C) 1998 Elsevier Science S.A. All rights reserved.
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收藏
页码：249 / 252
页数：4
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