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Geometric-analytical method for the study of solubility in multicomponent systems

J. Eysseltová and B. Kovářová

Department of Inorganic Chemistry, Faculty of Natural Sciences, Charles University, CS-128 40 Prague

 

Abstract: A geometric-analytical method has been proposed for the study of solubility isotherms in three-component systems with two salts and a solvent, based on the mass balance of the salt components. Equations have been derived from the diagram of the mass of the equilibrium solid phase vs. the composition, which can be used for the construction of the solubility isotherm in a system with simple eutonic and for the finding of the eutonic point coordinates in such a system without the use of chemical analysis. The method was tested on the KCl—KH2PO4—H2O system and applied to study the solubility isotherm at 0°C in the KCl— K2H2P2O7—H2O  system.

Full paper in Portable Document Format: 395a607.pdf

 

Chemical Papers 39 (5) 607–616 (1985)

Sunday, April 18, 2021

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