Issue 9, 1992

Determination of mercury in high-purity gallium arsenide using a gold-fibre voltammetric microelectrode

Abstract

A gold-fibre microelectrode is proposed for the determination of mercury in high-purity gallium arsenide by stripping analysis. The precision and accuracy were tested using mercury-spiked gallium arsenide samples and were found to be satisfactory for mercury contents higher than approximately 10 ppb. Both the precision and accuracy exceed those of the method applying a compact gold rotating disc electrode. De-aeration of the sample solution and its stirring during accumulation are unnecessary in the analyses with gold-fibre microelectrodes.

Article information

Article type
Paper

Analyst, 1992,117, 1471-1472

Determination of mercury in high-purity gallium arsenide using a gold-fibre voltammetric microelectrode

M. Rievaj and D. Bustin, Analyst, 1992, 117, 1471 DOI: 10.1039/AN9921701471

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