The [Cr(C2O4)3]3 - and [Cr(CNS)6]3 - ions sorption on iron (III) and aluminum oxihydroxides

Authors

  • Julia P. Semushina junior research fellow of Institute of Chemistry and Technology of rare Elements and mineral raw Materials, E-mail: semushinajp@mail.ru
  • Sofia I. Pechenyuk The Professor, Doctor of chemical Sciences, the main scientific employee of Institute of Chemistry and Technology of rare Elements and mineral raw Materials
  • Lubov Ph. Kuz’mich research fellow of Institute of Chemistry and Technology of rare Elements and mineral raw Materials

Keywords:

sorption, oxyhydroxide, iron (III), aluminum, [Cr(C2O4)3]3- ion, [Cr(CNS)6]3- ion, isotherm.

Abstract

The sorption of [Cr(C2O4)3]3- and [Cr(CNS)6]3- ions on the surface of oxihydroxide hydrogels of
iron (III) and aluminum depending on the hydrogels precipitation pH and the nature of background
electrolyte (NaClO4, NaCl and Na2SO4 for [Cr(C2O4)3]3- and KCNS for [Cr(CNS)6]3-) was studied. It is
found that one can arrange the studied tri-charged ions in the following row: [Fe(CN)6]3- ≥ [Cr(C2O4)3]3-
>> [Cr(CNS)6]3- depending on their adsorption affinity to the iron (III) oxihydroxide.

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Published

2019-11-22

Issue

Vol. 13 No. 6 (2013): Sorbtsionnye i Khromatograficheskie Protsessy

Section

Статьи

How to Cite

The [Cr(C2O4)3]3 - and [Cr(CNS)6]3 - ions sorption on iron (III) and aluminum oxihydroxides. (2019). Sorbtsionnye I Khromatograficheskie Protsessy, 13(6). https://journals.vsu.ru/sorpchrom/article/view/1723

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