Conductivity studies on some alkali metal iodides in aqueous N,N-dimethylformamide solutions at 298.15KUntersuchungen zur elektrischen Leitfähigkeit einiger Alkalimetalliodide in wäßrigen N,N-Dimethylformamidlösungen bei 298.15K
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作者:
A. Szejgis
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机构:University of Łódź,Faculty of Physics and Chemistry
A. Szejgis
A. Bald
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机构:University of Łódź,Faculty of Physics and Chemistry
A. Bald
J. Gregorowicz
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机构:University of Łódź,Faculty of Physics and Chemistry
J. Gregorowicz
机构:
[1] University of Łódź,Faculty of Physics and Chemistry
Conductances;
NaI;
KI;
Rb;
CsI;
Water N,N-dimethylformamide mixtures;
products;
D O I:
10.1007/BF00807559
中图分类号:
学科分类号:
摘要:
Conductance measurements for NaI, KI, RbI, and CsI in water/N,N-dimethylformamide mixtures over the whole composition range at 298.15K are reported. The data were analyzed employing theFuoss-Justice equation in terms of limiting molar conductances (Λo),Walden products (Λoη), and association constants (KA). The results indicate that the salts are weakly associated in the above solvent mixture. Variation in theWalden products with solvent composition are briefly discussed. The results were also compared with values reported previously for some alkali metal chlorides and bromides.