Thermodynamic quantities of surface formation of aqueous electrolyte solutions -: II.: Mixed aqueous solutions of NaCl and MgCl2

被引：17
|
作者：
Matubayashi, N [1 ]
Yamaguchi, S [1 ]
Yamamoto, K [1 ]
Matsuo, H [1 ]
机构：
[1] Nagasaki Univ, Fac Fisheries, Nagasaki 8528521, Japan
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 1999年 / 209卷 / 02期
关键词：
surface tension; electrolytes; salts; mixture of salts; sodium chloride; magnesium chloride;
D O I：
10.1006/jcis.1998.5929
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 surface tensions of binary salt mixtures made up from NaCl and MgCl2 in aqueous solution were measured as a function of concentration and temperature. By analyzing the results, the thermodynamic quantities of surface formation such as entropy (Delta s), Helmholtz free energy (Delta f), and energy of surface formation (Delta u) were evaluated. The Delta f of the mixtures positively deviates from the straight line connecting those of NaCl and MgCl2 aqueous solutions. On the other hand, Delta s shows negative deviation from the linear relation. (C) 1999 Academic Press.
引用
收藏
页码：403 / 407
页数：5
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