Physico-chemical criteria for description of the composition effect on salt melt structure and properties

E.V.Prikhod`ko, A.F.Petrov


Z.Nekrasov Institute for Metallurgy of Ferrous Metals, National Academy of Sciences of Ukraine, 1 Starodubov Sq., 49050 Dnepropetrovsk, Ukraine

Received May 23, 1998

A physico-chemical model of salt melt structure has been developed allowing to calculate integral and partial characteristics of electron structure for simple and multicomponent systems basing on their compositions. It is shown that those characteristics can be used to generalize the available experimental data on various melt properties in the form suitable for both the estimation of experimental data reliability (in cases where those are contradictory) and for semi-empirical property forecasting of non-studied systems. Formulas are proposed to calculate the molar volume, thermodynamic properties, viscosity, and surface tension of melted alkali halides.

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