Activity measurements in the ternary system NaBr+NaClO4+H2O at 25 degrees C

被引：6
|
作者：
HernandezLuis, F [1 ]
Barrera, M [1 ]
Galleguillos, HR [1 ]
FernandezMerida, L [1 ]
Perez, M [1 ]
机构：
[1] UNIV ANTOFAGASTA,DEPT INGN QUIM,ANTOFAGASTA,CHILE
来源：
JOURNAL OF SOLUTION CHEMISTRY | 1996年 / 25卷 / 02期
关键词：
activity coefficients; emf; mixed electrolytes; NaBr; NaClO4; Pitzer model; Gibbs energy of mixing;
D O I：
10.1007/BF00972691
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 activity coefficients of sodium bromide in the ternary system NaBr + NaClO4 + H2O were determined at 25 degrees C and constant ionic strength of 0.1, 0.5, 1, 2, and 3 mol-kg(-1) from emf of the cell without liquid junction ISE-Na \ NaBr(m(A)), NaClO4(m(B)), AgCl(S) \ Ag The experimental activity coefficients were comparatively analyzed by using the Harned, Scatchard, Pitzer and Lim-HOLL treatments. All these methods are adequate for the analysis of the experimental data. The results have been compared with those of Lanier for the system: NaCl + NaClO4 + H2O. The Gibbs excess energy of miring was obtained and qualitatively interpreted in terms of ionic interactions.
引用
收藏
页码：219 / 229
页数：11
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