Derivative adsorption chronopotentiometric determination of aluminum in natural and drinking waters using the Al III ‐1,2‐dihydroxyanthraquinone‐3‐sulfonic acid system | Zendy

Bi Shuping | Zendy; Yu Jiong | Zendy

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

Author(s) -

Bi Shuping,

Yu Jiong

Publication year - 1997

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.1140091713

Subject(s) - chemistry , adsorption , sulfonic acid , mercury (programming language) , aluminium , inorganic chemistry , atomic absorption spectroscopy , organic chemistry , physics , quantum mechanics , computer science , programming language

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.

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