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Title: Calculated solubility isotherm of a system of alkaline earth sulfates and hydroxides in water

Journal Article · · J. Gen. Chem. USSR (Engl. Transl.); (United States)
OSTI ID:7032320

Tis paper examines the calculation of the isothermal solubility diagram of a system of alkaline earth sulfates and hydroxides in water which makes it possible to substantiate, to a considerable extent, the natural physicochemical mineralization of natural waters, in particular water from geochemical sources. The present paper investigates the solubility of the equilibrium solid phases of a system of alkaline earth sulfates and hydroxides in water. A projection is shown of the composition prism of the quinary reciprocal system with demarcation of the crystallization areas of each sulfate and hydroxide of the component subsystems. The computational formulas for calculating solubility were derived from the solubility product principle, with allowance for ion activity coefficients in saturated hydroxide solutions.

OSTI ID:
7032320
Journal Information:
J. Gen. Chem. USSR (Engl. Transl.); (United States), Vol. 55:9, PT. 1
Country of Publication:
United States
Language:
English