On-line analysis of mercury by sequential injection stripping analysis (SISA) using a chemically modified electrode

被引:0
|
作者
Turyan, I
Erichsen, T
Schuhmann, W
Mandler, D [1 ]
机构
[1] Hebrew Univ Jerusalem, Dept Inorgan & Analyt Chem, IL-91904 Jerusalem, Israel
[2] Ruhr Univ Bochum, D-44870 Bochum, Germany
关键词
sequential-injection analysis; mercury; anodic stripping voltammetry;
D O I
10.1002/1521-4109(200101)13:1<79::AID-ELAN79>3.0.CO;2-4
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A highly flexible, automatic sequential-injection stripping analysis (SISA) system has been developed and applied For monitoring the levels of mercury in aqueous solutions using a chemically modified electrode. The preparation of the modified electrode comprises spin coating of an ethanolic solution of poly(4-vinylpyridine) and Kryptofix-222 onto a glassy carbon electrode (GCE) followed by cross-linking the polymer. The analysis is based on the anodic stripping voltammetry of mercury using differential pulse voltammetry. A sequence of 36 operations was needed to complete a full cycle of cleaning, calibration and analysis.
引用
收藏
页码:79 / 82
页数:4
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