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Relationship between the degree of thermal-dissociation of a chemical-compound and the radius of curvature of the liquidus curve at the melting-point

M. Galová, M. Malinovský, and J. Vrbenská

Department of Mathematics and Department of Chemical Technology of Inorganic Substances, Faculty of Chemical Technology, Slovak Technical University,


Abstract: On the basis of thermodynamic relationships relation between the radius of curvature of liquidus curve at the melting point of a compound and the degree of thermal dissociation of this compound is derived. The method enables to obtain information on the degree of dissociation of compound Z = AB from phase diagram data. Accuracy of the result obtained in this way depends on the accuracy of determination of temperature of solid-liquid equilibrium in the vicinity of melting point of the compound.

Full paper in Portable Document Format: 424a499.pdf


Chemical Papers 42 (4) 499–505 (1988)

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