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A comparative study of radioactivation, atomic absorption and spectrophotometric techniques applied to the determination of mercury in lead

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Abstract

A fairly simple radiometric method has been developed for the quantitation of microgram amounts of mercury in lead samples of different purity grades. It is mainly based on 3 steps; (i) the removal of most interfering cations with ferric hydroxide scavenger in the presence of a suitable masking agent, (ii) the separation of mercury as hydrated mercuric oxide from a highly alkaline medium, (iii) its distillation as mercuric chloride followed by precipitation as the sulfide. The method is reproducible and the results which show, in general, a standard deviation of ±4.29% are compared with those obtained by atomic absorption (4.48%) and spectrophotometric (13.13%) techniques.

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  1. Radioisotopes Laboratory, Iron and Steel Co., Helwan, Cairo, (Egypt)

    T. Z. Bishay

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  1. T. Z. Bishay
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Bishay, T.Z. A comparative study of radioactivation, atomic absorption and spectrophotometric techniques applied to the determination of mercury in lead. J. Radioanal. Chem. 43, 147–154 (1978). https://doi.org/10.1007/BF02519450

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  • DOI: https://doi.org/10.1007/BF02519450

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