Derivative adsorption chronopotentiometric determination of aluminum in natural and drinking waters using the AlIII-1,2-dihydroxyanthraquinone-3-sulfonic acid system

被引：14

作者：

Bi, SP ^{[1
]}

Yu, J ^{[1
]}

机构：

[1] Nanjing Univ, Dept Chem, Nanjing 210093, Peoples R China

来源：

ELECTROANALYSIS | 1997年 / 9卷 / 17期

关键词：

aluminum; natural and drinking waters; derivative adsorption chronopotentiometry;

D O I：

10.1002/elan.1140091713

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An absorptive chronopotentiometric method was developed for the determination of trace aluminum. The method relies on the adsorptive accumulation of a Al-III-1,2-dihydroxyanthraquinone 3-sulfonic acid complex on the surface of a hanging mercury drop electrode. The optimum experimental conditions with respect to pH, preconcentration potential, preconcentration time and concentration of 1,2-dihydroxyanthraquinone-3-sulfonic acid have been investigated. The suggested procedure has been used for the determination of aluminum in natural and drinking water samples and the accuracy investigated by comparison with results obtained by atomic absorption spectrometry.

引用

页码：1369 / 1371

页数：3

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