Isopiestic investigation of the ternary system NaBr + NaCl + H2O at 298.15 K

被引：8

作者：

Salamat-Ahangari, Rahman ^{[1
]}

机构：

[1] Azarbaijan Shahid Madani Univ, Fac Basic Sci, Dept Chem, 35 Km Tabriz Maraghe Rd,POB 53714161, Tabriz, Iran

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2016年 / 219卷

关键词：

Isopiestic; Osmotic coefficients; Extended Pitzer; McKay-Perring; Zdanovskii; Sodium chloride; Sodium bromide; ACTIVITY-COEFFICIENTS; THERMODYNAMIC PROPERTIES; AQUEOUS-SOLUTIONS; SODIUM CHLORIDE; WATER ACTIVITY; ELECTROLYTES; MIXTURES; 25-DEGREES-C; 298.15-K;

D O I：

10.1016/j.molliq.2016.04.006

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：

This work has been undertaken to study isopiestic vapor pressures at 298.15 K for {y(B) NaBr + y(C)NaCl} (aq). Measurements were made for both pure (binary) solutions and for the ternary solutions with various ionic strength fractions of NaBr (0.1592, 0.3622 and 0.6302). The experimental results were treated by extended forms of Pitzer and McKay-Perring methods. Accordingly using optimized values of the interaction parameters of the extended Pitzer model, activity coefficients of the both constituent salts were calculated and compared well with those evaluated by McKay-Perring method. Finally semi-ideally behavior of this system has been interpreted in terms of iso-activity rule of Zdanovskii. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：1000 / 1005

页数：6

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