三元体系Mg2+//Cl- , borate —H2O在323.15 K时相平衡研究

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Abstract: Solubilities and physicochemical properties including density,refraction,pH,and conductivity for the aqueous ternary system (Mg₂+//Cl^-, borate —H₂O) at 323.15 K have been investigated by isothermal equilibrium method.On the basis of the experimental data,the equilibrious phase diagram and composition diagram of physicochemical properties were plotted.Conversion phenomenon of Mg-borates had been found and the amount of substance ratio of B₂O₃ to MgO was used to express the conversion.In the phase diagram of the ternary system，there were one invariant point (bischofite+Mg-borates),two univariant curves (corresponding to solubility curves of Mg-borates and bischofite), and two crystallization regions （bischofite and Mg-borates）at 323.15 K. 

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LUO Bing-Wei-1, 3 , DENG Tian-Long-1, 2 , LI Dan-1. Phase equilibrium in ternary system (Mg₂+//Cl^-, borate —H₂O) at 323.15 K[J]. INORGANICCHEMICALSINDUSTRY, 2011, 43(1): 15-18.

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Phase equilibrium in ternary system (Mg₂+//Cl^-, borate —H₂O) at 323.15 K

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Phase equilibrium in ternary system (Mg2+//Cl- , borate —H2O) at 323.15 K

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Phase equilibrium in ternary system (Mg₂+//Cl^-, borate —H₂O) at 323.15 K