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Comparison of thermodynamic models for ion exchange between strongly acidic resins and the metal transitions Ni(II) and Cu(II)

Authors
Journal
Reactive and Functional Polymers
1381-5148
Publisher
Elsevier
Publication Date
Volume
33
Issue
1
Identifiers
DOI: 10.1016/s1381-5148(97)00014-x
Keywords
  • Ion Exchange
  • Thermodynamic Equilibrium Constants
  • Surface Complex Formation Model
  • Three-Parameter Modle
  • Wilson Model
Disciplines
  • Physics

Abstract

Abstract The ion-exchange equilibrium constants of the systems H +Ni(II) and H +Cu(II) for the strongly acidic cationic resins Dowex CM-15 and Dowex C650 have been determined. The results have been interpreted by means of three ion-exchange thermodynamic models currently used. Differences in the application of the models and necessary further developments for some of them are given.

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