ENTHALPIES OF TRANSFER OF CO(II), NI(II) AND CU(II) IONS IN ACETONITRILE-WATER MIXTURES

被引：4
|
作者：
KAMIENSKAPIOTROWICZ, E
INEROWICZ, H
机构：
[1] Department of Physical Chemistry, Technical University of Gdańsk
来源：
ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS | 1995年 / 189卷
关键词：
ENTHALPIES OF TRANSFER; SOLVATION OF TRANSITION METAL IONS; ACETONITRILE-WATER MIXTURES;
D O I：
10.1524/zpch.1995.189.Part_1.089
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：
The enthalpies of solution have been measured for Ni(CLO(4))(2) . 6H(2)O, Cu(ClO4)(2) . 6H(2)O and water in acetonitrile-water mixtures over the whole range of solvent composition. These data have been used for calculation of the enthalpies of transfer of Ni(ClO4)(2) and Cu(ClO4)(2) from water to the mixtures. In the acetonitrile-rich mixtures an alternative method of determining the enthalpies of transfer has also been applied. The results, as well as our previous data for Co(ClO4)(2) [1], coupled with the enthalpies of transfer of perchlorate ion reported earlier [2], have allowed the determination of the enthalpies of transfer for Co(II), Ni(II) and Cu(II) ions in acetonitrile-water mixtures. The variation of the ionic enthalpies of transfer with solvent composition is discussed in terms of the properties of the ions and the solvents.
引用
收藏
页码：89 / 98
页数：10
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