Thermodynamics of Overequivalent Sorption in Multicomponent Ion-Exchange Systems with Amino Acids

被引：2
|
作者：
Khokhlova, O. N. [1 ]
Khokhlov, V. Yu. [1 ]
Bashlykova, O. Yu. [1 ]
Trunaeva, E. S. [1 ]
机构：
[1] Voronezh State Univ, Voronezh 394018, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2017年 / 91卷 / 04期
关键词：
ion exchange; overequivalent adsorption; amino acids; ion exchanger; equilibrium; thermodynamic description; SUPEREQUIVALENT SORPTION;
D O I：
10.1134/S0036024417040112
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：
Ion exchange and overoverequivalent sorption in the AV-17-2P-OH-Cl-tryptophan anionexchange system are studied. It is established that the ion exchange of tryptophan against the background of the exchange of mineral ions (OH--Cl-) is better accomplished from alkaline solutions on the Cl- form of the adsorbent and the overequivalent adsorption of an amino acid from a salt-containing solution on the OH- form of the anion exchange resin. The results from calculating and analyzing the thermodynamic constants of ion exchange and non-exchange absorption are given.
引用
收藏
页码：771 / 775
页数：5
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