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Determination of trivalent antimony

A new method using potassium permanganate as an oxidant in acid medium in the presence of fluoride ions

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Summary

A method is described for the determination of trivalent antimony. It depends on the oxidation of Sb3+ to Sb+ with KMnO4 in sulfuric acid solutions (0.72-3.4N H2SO4) in the presence of fluoride ions and at temperatures below 50°. Amounts of antimony ranging from 15.7gmg to 61 mg can be determined accurately.

Zusammenfassung

Eine Methode zur Bestimmung von Sb (III) wurde beschrieben. Sie beruht auf der Oxydation zu Sb(V) mit Permanganat in schwefelsaurer Lösung (0,72-3,4N H2SO4) in Gegenwart von Fluorid bei Temperaturen unter 50° C. Mengen zwischen 15,7gmg und 61 mg Antimon lassen sich genau bestimmen.

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Issa, I.M., Hamdy, H., Hammam, A.M. et al. Determination of trivalent antimony. Mikrochim Acta 69, 69–78 (1978). https://doi.org/10.1007/BF01196981

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  • DOI: https://doi.org/10.1007/BF01196981

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