Determination of antimony(III,V) in natural waters by coprecipitation and neutron activation analysis

Y. C. Sun, J. Y. Yang, Y. F. Lin, M. H. Yang, Z. B. Alfassi

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60 Scopus citations

Abstract

A simple and quantitative method for separating antimony(III) from antimony(V) by coprecipitation with thionalide is described. The total concentration of antimony is determined through addition of tin(II) chloride followed by thionalide coprecipitation and antimony(V) is determined by substraction. The coprecipitation system was investigated with the use of 122Sb radiotracer. The precipitate was collected on a membrane filter for neutron activation analysis. The dectection limit of antimony was found to be in the order of ng l-1 under the experimental conditions. The reliability was checked with National Research Council of Canada standard reference material.

Original languageEnglish
Pages (from-to)33-37
Number of pages5
JournalAnalytica Chimica Acta
Volume276
Issue number1
DOIs
StatePublished - 15 Apr 1993

Keywords

  • Antimony
  • Coprecipitation
  • Neutron activation methods
  • Speciation
  • Waters

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Environmental Chemistry
  • Spectroscopy

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