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Isotopic dilution analysis by solvent extraction-II:Highly selective determination of zinc with dithizone

Authors
Journal
Talanta
0039-9140
Publisher
Elsevier
Publication Date
Volume
8
Issue
5
Identifiers
DOI: 10.1016/0039-9140(61)80085-4

Abstract

Abstract Zinc has been determined by a single extraction in the form of a complex with dithizone, in amounts of the order of 10 −6 to 10 −1 solg ml with an average precision of ±1'0%, and in amounts of the order of 10 −9 solg ml with an average precision of ±15%. In the analysis even a large excess of metals which form extractable complexes with dithizone does not interfere. The method is very simple and rapid, for it consists of a single extraction of the solution to be analysed and measurement of the activity of the extract obtained. The procedure developed is more precise and sensitive than the colorimetric determination of zinc with dithizone.

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