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Journal of Analytical Chemistry

, Volume 72, Issue 5, pp 542–545 | Cite as

Complex formation of thiocyanate ions with iron(III) on the solid phase of fibrous ion exchangers

  • O. P. Shvoeva
  • V. P. Dedkova
  • A. A. Grechnikov
Articles
  • 66 Downloads

Abstract

Characteristics of complex formation of SCN-ions with iron(III) on fibrous materials filled with an AV-17 anion exchanger (PANV–AV-17) and a KU-2 cation exchanger (PANV–KU-2) are studied by diffuse reflection spectroscopy. Sorption conditions of thiocyanate ions on PANV–AV-17 in the dynamic mode and the influence of concentrations of Cl, SO 4 2- and NO 3 - on the sorption and analytical signals of thiocyanate complexes are studied. Sorption conditions of iron(III) on PANV–KU-2 and the conditions of formation of thiocyanate complexes are studied. Systems for the sorption–spectroscopic determination of 0.1–0.7 μg/mL of SCN-ions in aqueous solutions of pH 5 ± 1 on PANV–AV-17 and test-determination of 5–30 μg of SCN-ions on PANV–KU-2 are proposed.

Keywords

diffuse reflection spectroscopy PANV–KU-2 PANV–AV-17 iron(III) thiocyanate ions 

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • O. P. Shvoeva
    • 1
  • V. P. Dedkova
    • 1
  • A. A. Grechnikov
    • 1
  1. 1.Vernadsky Institute of Geochemistry and Analytical ChemistryRussian Academy of SciencesMoscowRussia

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