Selecting Reference States in Thermodynamic Descriptions of Non-Exchangeable Sorption

被引：0
|
作者：
Khokhlova, O. N. [1 ]
Khokhlov, V. Yu. [1 ]
Lisitsyna, S. A. [1 ]
机构：
[1] Voronezh State Univ, Voronezh 394018, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2023年 / 97卷 / 08期
关键词：
thermodynamic descriptions; standard state; reference state; thermodynamic characteristics; non-exchange sorption; ion exchanger; PHENYLALANINE; ADSORPTION;
D O I：
10.1134/S0036024423080101
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：
Selecting standard and reference states for a thermodynamic description of the non-exchange sorption of substances by ion exchangers is considered a stoichiometric process. It is shown that it is best to choose different reference states for free and sorption centers associated with the absorbed substance, since this allows calculations of the thermodynamic constants and energy characteristics of sorption. Results from calculating thermodynamic characteristics of sorption are presented and discussed for systems with the participation of amino acids (glycine and phenylalanine).
引用
收藏
页码：1615 / 1619
页数：5
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