Ion-Selective Electrode for Determining Thallium(III) as Its Complexonate

被引:0
|
作者
S. V. Kharitonov
V. I. Zarembo
机构
[1] Technical University,St. Petersburg State Technological Institute
来源
Journal of Analytical Chemistry | 2005年 / 60卷
关键词
Ammonium; Analytical Chemistry; Thallium; Quaternary Ammonium; Quaternary Ammonium Salt;
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摘要
The main electroanalytical characteristics of film membrane ion-selective electrodes (ISEs) based on high-molecular-weight quaternary ammonium salts (QASs) are studied. These electrodes are reversible to a complex of thallium(III) with N,N′-dioctylethylenediamine-N,N′-disuccinic acid. It is found that the selectivity of the ISEs to the potential-determining ion depends on the structure of the QAS. A procedure for the synthesis of N,N′-dioctylethylenediamine-N,N′-disuccinic acid is described.
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页码:1056 / 1061
页数:5
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