Studies on the Phase Equilibrium of BaCl2-CH12O6-H2O/(H2O and CH3CH2OH) at30 ℃

Abstract

Abstract: The solubilities and refractive indexes of saturated solutions of the systems BaCl₂-C₆H₁₂O₆-H₂O/(H₂Oand CH₃CH₂OH) have been determined at 30 ℃, and the corresponding equilibrium phase diagram and refractive index curves were constructed. The results indicated that the solubility curves and the refractive index curves of saturated solutions consist of three branches, corresponding to BaCl₂·2H₂O, BaCl₂·2C₆H₁₂O₆·2H₂O and C₆H₁₂O₆·H₂Orespectively, in these systems. The ternary compound BaCl₂·2C₆H₁₂O₆·2H₂Owhich has not been reported is congruently soluble in H₂Oor in mixed solvent of H₂Oand CH₃CH₂OH. With the increase of the amount of ethyl alcohol in mixed solvent, the solubilities of the BaCl₂·2H₂O, BaCl₂·2C₆H₁₂O₆·2H₂Oand C₆H₁₂O₆·H₂Odecrease gradually.

Key words: Ternary system, Phase equilibrium, Inositol, Barium chloride, Mixed solvent

CLC Number:

O624.42

TrendMD:

WANG Fei-Li, HU Dao-Dao, LI Shu-Ni, ZHU Xi-Yan, LI Jun, TANG Zong-Xun . Studies on the Phase Equilibrium of BaCl₂-C_H₁₂O₆-H₂O/(H₂O and CH₃CH₂OH) at₃₀ ℃[J]. Chem. J. Chinese Universities, 2001, 22(10): 1625.

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Studies on the Phase Equilibrium of BaCl₂-C_H₁₂O₆-H₂O/(H₂O and CH₃CH₂OH) at₃₀ ℃

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