APPLICATION OF A POLYANILINE NAFION COMPOSITE ELECTRODE TO THE DETERMINATION OF ALKALI AND ALKALINE-EARTH METAL-IONS USING FLOW-INJECTION ANALYSIS AND ION CHROMATOGRAPHY

被引：34

作者：

SUNG, JY

HUANG, HJ

机构：

[1] Department of Chemistry, National Sun Yat-Sen University, Kaohsiung

来源：

ANALYTICA CHIMICA ACTA | 1991年 / 246卷 / 02期

关键词：

FLOW SYSTEM; CHROMATOGRAPHY; ION EXCHANGE; CYCLIC VOLTAMMETRY; ALKALINE EARTH METAL IONS; ALKALI METAL IONS; POLYANILINE; NAFION ELECTRODE;

D O I：

10.1016/S0003-2670(00)80961-7

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In the presence of Nafion, the ion-exchange mechanism accompanying the redox reactions of polyaniline has enabled a polyaniline-Nafion composite electrode to act as an electrochemical detector for cations. The characteristics and capability of the polyaniline-Nafion electrode for the determination of alkali and alkaline earth metal ions were studied using flow-injection analysis and ion chromatography. A detection limit as low as 2.0 x 10(-7) M was obtained for alkali metal ions.

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页码：275 / 281

页数：7

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