Phase Equilibria in the Na+,K+//Cl-,NO3--H2O System near Boiling Temperatures. II. Modeling a Reciprocal System

被引:0
作者
Mamontov, M. N. [1 ]
Kurdakova, S. V. [1 ]
Uspenskaya, I. A. [1 ]
机构
[1] Lomonosov Moscow State Univ, Fac Chem, Moscow 119991, Russia
基金
俄罗斯科学基金会;
关键词
phase equilibria; liquid stability region; boiling point; activity; SALT SYSTEMS; DELIQUESCENCE; MIXTURES;
D O I
10.1134/S0036024424701164
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 phase equilibria in the Na+,K+//Cl-,NO3--H2O reciprocal system in the temperature range 373-573 K were modeled using the set of parameters presented in communication I of this work. According to the results of calculations, this system has a stability region of the liquid, which boils without forming a third phase (precipitate). The change in the boiling temperature was traced for selected individual bulk compositions of the system during the gradual evaporation of water from it. In the experimental determination of the boiling points or activity of water for saturated solutions formed by the dissolution of salts with opposite cations and anions, one should take into account that the composition of such solutions will change with any changes in the total concentrations of the salts of the system if a salt other than the one used for mixing appears in the precipitate.
引用
收藏
页码:2018 / 2027
页数:10
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