Solubility of α-and β-gypsum in aqueous solutions of calcium,magnesium, and sodium chlorides |
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| Authors: | N V Kochetkova N B Gavrilov N P Dergacheva V A Krenev |
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| Institution: | (1) Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia |
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| Abstract: | The interaction of multicomponent water-salt systems including calcium, magnesium, and sodium chlorides, gypsum, air, and water were studied by the methods of thermodynamic modeling. The solubility of α-CaSO4 · 2H2O and β-CaSO4 · 2H2O were determined in aqueous solutions of calcium, magnesium, and sodium chlorides and their mixtures at 25°C and carbon dioxide partial pressure of 10?1.53 kPa, metal chloride concentrations of 10?4 to 1.0 mol/kg H2O, and their molar ratio of 1: 1. |
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