QUANTITATIVE-DETERMINATION OF ION-WATER INTERACTIONS FROM WATER ACTIVITY AND DENSITY DATA

被引:12
作者
LIBUS, Z
机构
[1] Department of Physical Chemistry, Technical University of Gdańsk
来源
ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE NEUE FOLGE | 1990年 / 166卷
关键词
Aqueous salt solutions; Hydration of ions; Ion-water interactions;
D O I
10.1524/zpch.1990.166.Part_1.071
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 water activities of aqueous salt solutions have been used to determine the salt-water and ion-water interactions. The relations (aw/Cw)=f(m)(aw- water activity, cw- water concentration, m - molality) are linear for many 1:1 salts, and their slopes may serve as a convenient measure of the salt-water interactions. The ionic contributions to the overall effect have been estimated assuming that the NH^ cations do not affect the water structure and its activity. © R. Oldenbourg Verlag
引用
收藏
页码:71 / 78
页数:8
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