Pulsed NMR method for determining the thermodynamic characteristics of adsorption processes in biopolymers

被引：0
|
作者：
Yu. B. Grunin
L. Yu. Grunin
E. A. Nikol’skaya
机构：
[1] Mari State Technical University,
来源：
Russian Journal of Physical Chemistry A | 2007年 / 81卷
关键词：
Cellulose; Adsorption Layer; Lattice Relaxation; Cellulose Sample; Cellulose Surface;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The efficiency of the pulsed NMR method in studying phenomena in the interphase layer of biopolymer-water systems within the framework of the Gibbs thermodynamic theory was examined. Relationships between the nuclear magnetic relaxation times and the chemical potential and surface tension coefficient at the interphase interface of the adsorption system were established. How the thermodynamic and relaxation parameters change during the formation of the adsorption Gibbs layer on various cellulose samples was demonstrated. An analysis of the state of the water in the adsorption layer was performed, and its mean thickness was determined.
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页码：1165 / 1169
页数：4
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