Volume 66, 1970

Thermodynamic data of the calcium sulphate solution process between 0 and 200°C

Abstract

The thermodynamic solubility products of CaSO4 and the free energies, enthalpies and entropies of the solution process have been obtained from know solubility data between 0 and 200 °C by calculating the activity coefficients of CaSO4 at high temperatures by means of the Bjerrum treatment of ion association. The thermodynamic solubility product of the n-hydrate is then given by K°sp=m2sγ2±anw and the thermodynamic functions are derived from this and tabulated.

Article information

Article type
Paper

Trans. Faraday Soc., 1970,66, 1081-1086

Thermodynamic data of the calcium sulphate solution process between 0 and 200°C

A. W. Gardner and E. Glueckauf, Trans. Faraday Soc., 1970, 66, 1081 DOI: 10.1039/TF9706601081

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