Separation of sodium and calcium cations by electrodialysis with ion-exchange membranes

Authors

  • Thi Le Na Pham Graduate student, department of analytical chemistry, chemical faculty, Voronezh State University; Voronezh, e-mail: phamthilena2001@yahoo.com
  • Vladimir A. Shaposhnik Doctor of chemical sciences, professor of department of analytical chemistry, chemical faculty, Voronezh State University; Voronezh, e-mail: sh@sh.vrn.ru
  • Margarita A. Makarova Student, department of analytical chemistry, chemical faculty, Voronezh State University; Voronezh

Keywords:

separation of ions, electrodialysis, complexation, ion-exchange membrane.

Abstract

A method of separation of alkaline and earth-alkaline metals by electrodialysis with ionexchange
membranes was introduced. Method is possible to get complete separation of investigated ions
in consequence of overcharge of the earth-alkaline cation metal in complexation with
ethylenediaminetatraacetic acid (EDTA) and following migration of the alkaline metal cation through
cation-exchange membrane while anion, which combinated with EDTA, migrates through anionexchange
membrane

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Published

2019-11-27

Issue

Vol. 10 No. 2 (2010): Sorbtsionnye i Khromatograficheskie Protsessy

Section

Статьи

How to Cite

Separation of sodium and calcium cations by electrodialysis with ion-exchange membranes. (2019). Sorbtsionnye I Khromatograficheskie Protsessy, 10(2). https://journals.vsu.ru/sorpchrom/article/view/2044

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