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Citation: ZHANG Jun, WANG Xian-zhao, XIA Shu-ping, GAO Shi-yang. The Liquid-Solid Equilibrium and Properties of RbNO₃-C₂H₅OH-H₂O Ternary System[J]. Acta Physico-Chimica Sinica, ;2005, 21(09): 1046-1049. doi: 10.3866/PKU.WHXB20050920 shu

The Liquid-Solid Equilibrium and Properties of RbNO₃-C₂H₅OH-H₂O Ternary System

1.
Henan University of Science and Technology, Luoyang 471003； Xuchang Vocational and Technological College, Xuchang 461000； Xi’an Branch, Institute of Salt Lakes, Chinese Academy of Sciences, Xi’an 710043

Received Date: 18 January 2005
Available Online: 15 September 2005

The isothermal solubility, density, and refractive index of the ternary system RbNO₃-C₂H₅OH-H₂O at 25 and 50 ℃ have been investigated using phase equilibrium. The compositions of the liquid and solid phases at equilibrium states were determined, and the phase diagrams were obtained. Three empirical formulae were used to correlate the solubility, density, and refractive index. No demixing phenomena were observed in the involved range of temperatures and compositions. The equilibrium solid phases at different temperatures were all simple rubidium nitrate. No new compounds were found.
- Rubidium nitrate;Ethanol;Ternary system;Phase equilibrium; Solubility;Refractive index;Density
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The Liquid-Solid Equilibrium and Properties of RbNO₃-C₂H₅OH-H₂O Ternary System