Issue 9, 1985

Thermodynamic treatment of exchange of H+ and K+ in α-titanium phosphate

Abstract

The H+/K+ ion-exchange process in α-titanium phosphate, Ti(HPO4)2·H2O, was studied, titration curves and exchange isotherms being obtained at 25.0, 40.0, and 55.0 (± 0.1)°C. Partial decomposition of the exchanger was detected. No partially substituted phases were detected by X-ray diffraction and the final product was Ti(KPO4)2·3H2O. The free energy, enthalpy, and entropy for the exchange reaction are determined, and the results are explained by means of structural considerations.

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1985, 1865-1867

Thermodynamic treatment of exchange of H+ and K+ in α-titanium phosphate

C. G. Guarido, M. Suárez, J. R. García and J. Rodríguez, J. Chem. Soc., Dalton Trans., 1985, 1865 DOI: 10.1039/DT9850001865

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