Investigation of Chloride Ion Substitution Equilibria in AuCl 4 with Ethylenediamine and 1,3-Diaminopropane Using Capillary Zone Electrophoresis

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Abstract

Substitution of chloride ions in AuCl4 with ethylenediamine (en) and propylenediamine (tn) is studied by capillary zone electrophoresis at I = 0.05 M and T = 25°C. The substitution constants are determined: AuenCl2 + + en = Auen2 3+ + 2Cl, logK2 = 10.4; AuCl4 + tn = AutnCl2 + + 2Cl, logK1 = 16.1; AutnCl2 + + tn = Autn3+ 2 + 2Cl, logK2 = 12.0.

Original languageEnglish
Pages (from-to)134-139
Number of pages6
JournalRussian Journal of Inorganic Chemistry
Volume63
Issue number1
DOIs
Publication statusPublished - 1 Jan 2018

Keywords

  • PLANAR 4-CO-ORDINATE COMPLEXES
  • STABILITY-CONSTANTS
  • CHELATE LIGANDS
  • METAL-COMPLEXES
  • GOLD(III)
  • DISPLACEMENT
  • KINETICS

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