Polythermal Solubility of the MgSO4–Na2SО4–H2O System
U. D. RakhmatzhanovTashkent Institute of Chemical Technology, 100071, Tashkent, UzbekistanK. C. MirzakulovTashkent Institute of Chemical Technology, 100071, Tashkent, Uzbekistan
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Annotatsiya
The solubility of the MgSO4–Na2SО4–H2O ternary system was determined in the temperature range from –5.2 to 116.5°C by the visual polythermal method. Based on binary systems and internal incisions of the components of the system under study, its polythermal diagram is constructed. The crystallization fields of ice, Na2SО4·10H2O, Na2SО4, MgSO4·12H2O, MgSO4·7H2O, MgSO4·6H2O, MgSO4·H2O, 3Na2SО4·MgSO4, Na2SО4·MgSO4·2.5H2O and Na2SО4·MgSO4·4H2O are delimited on the phase diagram of the MgSO4–Na2SО4–H2O system. The results of the study show that the system under study belongs to the complex–eutonic type and there is an interaction between its components.
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