低浓度下强电解质在有机溶剂中的电导率的测定（I）LiBr，LiCl和LiNO3在醇类中

Chinese Journal of Chemical Engineering ›› 2012, Vol. 20 ›› Issue (5): 1024-1033.

低浓度下强电解质在有机溶剂中的电导率的测定（I）LiBr，LiCl和LiNO₃在醇类中

陈红; 王利生; 姜波; 李弥异

School of Chemical Engineering and the Environment, Beijing Institute of Technology, Beijing 100081, China

收稿日期:2011-05-27 修回日期:2012-02-28 出版日期:2012-10-28 发布日期:2012-02-28

Measurements of conductivity for low concentration strong-electrolytes in organic solvents (I) LiBr, LiCl, and LiNO₃ in alcohols

CHEN Hong; WANG Lisheng; JIANG Bo; LI Miyi

School of Chemical Engineering and the Environment, Beijing Institute of Technology, Beijing 100081, China

Received:2011-05-27 Revised:2012-02-28 Online:2012-10-28 Published:2012-02-28

摘要/Abstract

摘要： The conductivities of LiBr, LiCl, and LiNO3 in methanol, ethanol, 1-propanol, and 2-propanol (with electrolyte concentrations <0.08 mol•L?1) were determined at 298.15 K, 313.15 K, and 323.15 K at atmosphere pressure separately by using a conductivity meter. The conductivity data were correlated with Foss-Chen-Justice (FCJ) equation and the limiting molar conductivities were obtained. The mean ionic activity coefficients of the salts in the organic solvents were calculated according to the Debye-Hückel limiting law and Onsager-Falkenhangen equations. The calculated results were compared with those activity coefficients in literature.

关键词: conductivity, lithium salts, alcohols

Abstract: The conductivities of LiBr, LiCl, and LiNO3 in methanol, ethanol, 1-propanol, and 2-propanol (with electrolyte concentrations <0.08 mol•L?1) were determined at 298.15 K, 313.15 K, and 323.15 K at atmosphere pressure separately by using a conductivity meter. The conductivity data were correlated with Foss-Chen-Justice (FCJ) equation and the limiting molar conductivities were obtained. The mean ionic activity coefficients of the salts in the organic solvents were calculated according to the Debye-Hückel limiting law and Onsager-Falkenhangen equations. The calculated results were compared with those activity coefficients in literature.

Key words: conductivity, lithium salts, alcohols

陈红, 王利生, 姜波, 李弥异. 低浓度下强电解质在有机溶剂中的电导率的测定（I）LiBr，LiCl和LiNO₃在醇类中[J]. Chinese Journal of Chemical Engineering, 2012, 20(5): 1024-1033.

CHEN Hong, WANG Lisheng, JIANG Bo, LI Miyi. Measurements of conductivity for low concentration strong-electrolytes in organic solvents (I) LiBr, LiCl, and LiNO₃ in alcohols[J]. Chin.J.Chem.Eng., 2012, 20(5): 1024-1033.

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低浓度下强电解质在有机溶剂中的电导率的测定（I）LiBr，LiCl和LiNO₃在醇类中

Measurements of conductivity for low concentration strong-electrolytes in organic solvents (I) LiBr, LiCl, and LiNO₃ in alcohols

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