Studies of thermodynamic properties for LiCl-Li~2SO~4-H~2O system at 25℃ by EMF methol

Acta Chimica Sinica ›› 1993, Vol. 51 ›› Issue (6): 534-542. Previous Articles Next Articles

Original Articles

电动势法对LiCl-Li~2SO~4-H~2O体系25℃热力学性质研究

王瑞陵;姚燕;张忠;吴国梁

中国科学院青海盐湖研究所

发布日期:1993-06-15

Studies of thermodynamic properties for LiCl-Li~2SO~4-H~2O system at 25℃ by EMF methol

WANG RUILING;YAO YAN;ZHANG ZHONG;WU GUOLIANG

Published:1993-06-15

Abstract

The mean activity coefficients of LiCl in LiCl-Li2SO4-H2O system were determine at 25?and ionic strength 0.01-6.0 mol/kg. Measurements were made by using an electrochem. cell with a Li ion-selective electrode. The experimental mean activity coefficients obey Harned's rule and Pitzer's equation and agree with results obtained by isopiestic method. Mean activity coefficients of Li2SO4 and the osmotic coefficients and excess free energies of mixing were also calculated

Key words: WATER, THERMODYNAMIC PROPERTIES, TERNARY SYSTEM, ION SELECTIVE ELECTRODE, FREE ENERGY, LITHIUM ION, IONIC STRENGTH, MULTIVARIATE REGRESSION ANALYSIS, LITHIUM CHLORIDE, ACTIVITY COEFFICIENT

CLC Number:

O642

Cite this article

WANG RUILING;YAO YAN;ZHANG ZHONG;WU GUOLIANG. Studies of thermodynamic properties for LiCl-Li~2SO~4-H~2O system at 25℃ by EMF methol[J]. Acta Chimica Sinica, 1993, 51(6): 534-542.

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电动势法对LiCl-Li~2SO~4-H~2O体系25℃热力学性质研究

Studies of thermodynamic properties for LiCl-Li~2SO~4-H~2O system at 25℃ by EMF methol

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