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：

暂无

中图分类号：

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+.

引用

页码：217 / 220

页数：3

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