PH, DEFINITION AND MEASUREMENT AT HIGH-TEMPERATURES

被引：39

作者：

MESMER, RE

HOLMES, HF

机构：

[1] Chemistry Division, Oak Ridge National Laboratory, Oak Ridge, 37831, TN

来源：

JOURNAL OF SOLUTION CHEMISTRY | 1992年 / 21卷 / 08期

关键词：

PH; ACIDITY; LIQUID JUNCTION POTENTIALS; ACTIVITY COEFFICIENTS; HIGH TEMPERATURES; ION ASSOCIATION; ION-INTERACTION PARAMETERS; ELECTROLYTE MIXTURES;

D O I：

10.1007/BF00651506

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：

In this review paper, the NBS scale and its limitations are briefly discussed. The magnitude of liquid junction potentials and some calculated values are presented. The use of a molality scale for hydrogen electrode concentration cells at high temperatures is described, and results from measurements on ionization equilibria are summarized. Use of this scale is also recommended for certain circumstances with cells without liquid junction. As an alternative activity scale, use of the Pitzer ion- interaction treatment for ions is recommended for special cases. Finally, reference data are presented for gamma(+/- HCl) in HCl(aq) to 350-degrees-C and (HCl + NaCl)(aq) to 200-degrees-C that were derived by use of the Pitzer ion-interaction treatment.

引用

页码：725 / 744

页数：20

共 44 条

[21] ELECTROMOTIVE FORCE STUDIES IN AQUEOUS SOLUTIONS AT ELEVATED TEMPERATURES .X. THERMODYNAMIC PROPERTIES OF HCL-KCL HCL-RBCL HCL-CSCL HCL-MGCI2 HCI-CACL2 HCL-SRCL2 AND HCL-ALCL3 MIXTURES [J].