Stripping-voltammetric signals on carbon electrodes modified with mercury

被引：2
|
作者：
Kamenev, A. I. [1 ]
Viter, I. P. [1 ]
Mishukova, E. V. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119992, Russia
来源：
JOURNAL OF ANALYTICAL CHEMISTRY | 2009年 / 64卷 / 11期
关键词：
Mercury; Glassy Carbon; Mercury Concentration; Supporting Electrolyte; Potential Sweep;
D O I：
10.1134/S1061934809110094
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Conditions for the formation of a stable and reproducible thin-film mercury microdrop cover on electrodes from carbon glass ceramics, carbon glass, and graphite are proposed. The influence of various factors on the parameters of signals from cadmium (II), lead (II), and copper (II) is studied by stripping voltammetry with linear, differential-pulse, sinusoidal, and square-wave potential sweep. The parameters of the stripping voltammetric experiment are optimized. The value of RSD in determining the specified modeling trace components did not exceed 15%. Approaches to the multicomponent stripping voltammetric analysis of waters are proposed.
引用
收藏
页码：1141 / 1147
页数：7
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