MEAN ACTIVITY-COEFFICIENTS IN THE TERNARY NACL-NANO3-H2O AND NABR-NANO3-H2O SYSTEMS AT 298.15-K

被引：53

作者：

HAGHTALAB, A ^{[1
]}

VERA, JH ^{[1
]}

机构：

[1] MCGILL UNIV,DEPT CHEM ENGN,MONTREAL H3A 2A7,QUEBEC,CANADA

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 1991年 / 36卷 / 03期

关键词：

D O I：

10.1021/je00003a022

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The mean activity coefficients of NaCl in the NaCl-NaNO3-H2O system and NaBr in the NaBr-NaNO3-H2O system have been measured at 298.15 K over the range of ionic strengths from 0.3 to 6 m. The measurements were made by an electrochemical cell using ion-selective electrodes (ISE). The data were collected with an Orion millivolt (mV) meter, Model EA 920, using Na-ISE against Cl-ISE and Br-ISE as reference electrodes. The experimental mean activity coefficients of NaCl and NaBr obey Harned's Rule. The mean activity coefficients of NaNO3 were calculated by using the Gibbs-Duhem equation.

引用

页码：332 / 340

页数：9

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