Stability of complexes of alkali metal cations with p-tert-butylcalix[4]arene-tetrakis (N, N-dimethylthioacetamide) in nitrobenzene saturated with water

被引：0
|
作者：
E. Makrlík
P. Vaňura
机构：
[1] University of West Bohemia,Faculty of Applied Sciences
[2] Prague Institute of Chemical Technology,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2008年 / 275卷
关键词：
Stability Constant; Nitrobenzene; Acetamide; Alkali Metal Cation; Nitrobenzene Solution;
D O I：
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学科分类号：
摘要：
From extraction experiments and γ-activity measurements, the exchange extraction constants corresponding to the general equilibrium M+(aq)+NaL+(nb)⇔ML+(nb)+Na+(aq) taking place in the two-phase water-nitrobenzene system [M+=Li+, K+, Rb+, Cs+; L = p-tert-butylcalix[4]arene-tetrakis (N, N-dimethylthioacetamide); aq = aqueous phase, nb = nitrobenzene phase] were evaluated. Furthermore, the stability constants of the ML+ complexes in water saturated nitrobenzene were calculated; they were found to increase in the cation order Cs+<Rb+<K+<Li+<Na+.
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页码：217 / 220
页数：3
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