Using ion-selective electrodes to study the thermodynamics of solution. Ⅴ.the standard gibbs free energies and entropies of transfer of KCl from H~2O to DMF-H~2O mixture at seven temperatures from 283.15K to 318.15K

Acta Chimica Sinica ›› 1993, Vol. 51 ›› Issue (8): 769-773. Previous Articles Next Articles

Original Articles

应用离子选择性电极进行溶液热力学研究 Ⅴ:KCl在283.15K～318.15K间七个温度下由H~2O至DMF-H~2O混合溶剂的标准转移Gibbs自由和转移熵的测定

褚德萤;韩素娥;刘瑞麟

北京大学化学系

发布日期:1993-08-15

Using ion-selective electrodes to study the thermodynamics of solution. Ⅴ.the standard gibbs free energies and entropies of transfer of KCl from H~2O to DMF-H~2O mixture at seven temperatures from 283.15K to 318.15K

CHU DEYING;HAN SUE;LIU RUILIN

Published:1993-08-15

Abstract

A standard emf. reversible cell method was used to determine the free energies of transfer of KCl from water to aqueous DMF solns. at 283.15-318.15 K. The entropy values were also determine The changing behavior of the DS皌 points to the changes in solvation of KCl in aqueous mixtures and in water.

Key words: CHEMICAL THERMODYNAMICS, SOLUTION, ION SELECTIVE ELECTRODE, ENTROPY, FREE ENERGY, POTASSIUM CHLORIDE, SOLVATION, GIBBS FUNCTION

CLC Number:

O642

Cite this article

CHU DEYING;HAN SUE;LIU RUILIN. Using ion-selective electrodes to study the thermodynamics of solution. Ⅴ.the standard gibbs free energies and entropies of transfer of KCl from H~2O to DMF-H~2O mixture at seven temperatures from 283.15K to 318.15K[J]. Acta Chimica Sinica, 1993, 51(8): 769-773.

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应用离子选择性电极进行溶液热力学研究 Ⅴ:KCl在283.15K～318.15K间七个温度下由H~2O至DMF-H~2O混合溶剂的标准转移Gibbs自由和转移熵的测定

Using ion-selective electrodes to study the thermodynamics of solution. Ⅴ.the standard gibbs free energies and entropies of transfer of KCl from H~2O to DMF-H~2O mixture at seven temperatures from 283.15K to 318.15K

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