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ACTIVITY-COEFFICIENTS OF ELECTROLYTES FROM THE EMF OF LIQUID MEMBRANE CELLS .1. THE METHOD - TEST MEASUREMENTS ON KCL

被引：21
|
作者：
MALATESTA, F
CARRARA, G
机构：
[1] Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Pisa, 56126
来源：
JOURNAL OF SOLUTION CHEMISTRY | 1992年 / 21卷 / 12期
关键词：
ACTIVITY COEFFICIENTS; AQUEOUS SOLUTION; ELECTROLYTES; MEMBRANE ELECTRODES; PERMSELECTIVE MEMBRANES; POTASSIUM CHLORIDE; SOLUTION THERMODYNAMICS;
D O I：
10.1007/BF00667221
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A new electrochemical cell is described, in which two permselective liquid membranes, one anionic the other cationic, are interposed between the subsidiary electrodes and the solution of the electrolyte under examination. By means of this kind of cell it is possible to measure activity coefficients of salts of cations and anions for which reversible electrodes are not available, with great accuracy even at high dilutions never accessible before (down to congruent-to 10(4) mol-dm-3). The cell performance has been tested by measuring the activity coefficients of KCl for which accurate data are
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页码：1251 / 1270
页数：20
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