ACTIVITY-COEFFICIENTS OF NANO3 IN (MG, CA, SR, AND BA)(NO3)2 + H2O SYSTEMS AT 298-K BY EMF METHODS

被引：3

作者：

SMITH, SN ^{[1
]}

SARADA, S ^{[1
]}

PALEPU, R ^{[1
]}

机构：

[1] UNIV COLL CAPE BRETON,DEPT CHEM,SYDNEY B1P 6L2,NS,CANADA

来源：

CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE | 1993年 / 71卷 / 03期

关键词：

D O I：

10.1139/v93-057

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The activity coefficients of NaNO3 in Mg(NO3)2, Ca(NO3)2, Sr(NO3)2, and Ba (NO3)2 were determined at constant total ionic strength of 0.1, 0.5, 0.75, 1.0, 1.5, and 2.0 mol kg-1 at 298 K using EMF methods. The experimental activity coefficients were analyzed using four different formalisms, namely, Reilly-Wood-Robinson, Scatchard, Pitzer, and Harned equations, and the interaction parameters were evaluated. Excess Gibbs free energy of mixing and trace activity coefficients were calculated and the results are discussed.

引用

页码：384 / 389

页数：6

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