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Direct Determination of Tin in Antimony and Antimony Compounds by Hydride Generation-Atomic Fluorescence Spectrometry

Li Zhong

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Abstract

The differences of hydride generation reaction between Sb(Ⅴ) and Sn in various acidity and reducing agent concentration have been studied and a sensitive and rapid AFS method has been developed for the determination of tin in antimony powder and antimony compounds. The detection limit of the method for Sn is 1.0×10 -6 and the recovery of standard addition is better than 94%.The precision (RSD, n =4) of less than 6.0% is obtained when the Sn contents are 10 -6 level.The method has been applied to the determination of trace tin in antimony samples and antimony compounds with satisfactory results.

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What this paper is about

The differences of hydride generation reaction between Sb(Ⅴ) and Sn in various acidity and reducing agent concentration have been studied and a sensitive and rapid AFS method has been developed for the determination of tin in antimony powder and antimony compounds. The detection limit of the method for Sn is 1.0×10 -6 and the recovery of standard addition is better than 94%.The precision (RSD, n =4) of less than 6.0% is obtained when the Sn contents are 10 -6 level.The method has been applied to the determination of trace tin in antimony samples and antimony compounds with satisfactory results.

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Available abstract

The differences of hydride generation reaction between Sb(Ⅴ) and Sn in various acidity and reducing agent concentration have been studied and a sensitive and rapid AFS method has been developed for the determination of tin in antimony powder and antimony compounds. The detection limit of the method for Sn is 1.0×10 -6 and the recovery of standard addition is better than 94%.The precision (RSD, n =4) of less than 6.0% is obtained when the Sn contents are 10 -6 level.The method has been applied to the determination of trace tin in antimony samples and antimony compounds with satisfactory results.

Key concepts: Antimony, Tin, Hydride, Detection limit, Chemistry, Fluorescence spectrometry, Mass spectrometry, Inorganic chemistry

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