ON THE BEHAVIOR OF HYDROUS STANNIC OXIDE AS AN ION-EXCHANGER - EFFECT OF AGING AND KINETICS OF EXCHANGE

被引：8
|
作者：
MISAK, NZ [1 ]
PETRO, NS [1 ]
SHABANA, ESI [1 ]
机构：
[1] NATL RES CTR, SURFACE CHEM & CATALYSIS LAB, CAIRO, EGYPT
来源：
COLLOIDS AND SURFACES | 1991年 / 55卷
关键词：
D O I：
10.1016/0166-6622(91)80100-3
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 surface characteristics of stannic oxide (alpha-stannic acid) heated at different temperatures change only little after storage for about two years over saturated ammonium chloride. At the same heating temperature, the diffusivity of Na+ in the oxide decreases with the increase of capacity due to a stronger electrstatic retardation by the exchange sites. The effect of the heating temperature of the oxide on this diffusivity is connected mainly with the change in the porous texture.
引用
收藏
页码：289 / 296
页数：8
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