THE MECHANISM OF DIFFUSION AND IONIC TRANSPORT OF ALKALI-METAL IONS IN THE PARTICLES OF TIN (IV) ANTIMONATE

被引：15

作者：

ELNAGGAR, IM ^{[1
]}

ELABSY, MA ^{[1
]}

ALY, SI ^{[1
]}

机构：

[1] ATOM ENERGY ESTAB,NUCL RES CTR,DEPT RADIOISOTOPE PROD & LABELLED CPDS,CAIRO,EGYPT

来源：

SOLID STATE IONICS | 1992年 / 50卷 / 3-4期

关键词：

D O I：

10.1016/0167-2738(92)90225-E

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 kinetics of exchange of Li+, Na+, K+ and Cs+ ions on tin(IV) antimonate with H+ form was studied under particle-diffusion-control conditions at different temperatures. The values of activation energy, diffusion coefficient and entropy of activation increase with the ionic mobilities and radii, and decrease with the hydration energy of the alkali metal ions. On the basis of the kinetic parameters, the exchange of alkali metal ions occurs in the unhydrated form.

引用

页码：241 / 245

页数：5

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