SUBLIMATION OF AMMONIUM PERCHLORATE

被引：106

作者：

JACOBS, PWM

RUSSELJO.A

机构：

[1] Department of Chemistry, Imperial College, London

[2] Department of Chemistry, University of Western Ontario, London, Ont.

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1968年 / 72卷 / 01期

关键词：

D O I：

10.1021/j100847a038

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 the sublimation of ammonium perchlorate has been investigated over a wide range of temperatures at pressures ranging from the vapor pressure up to 1 atm. A model for the sublimation of ammonium perchlorate, which takes account both of surface diffusion and of diffusion through the gas phase, has been formulated, and a new equation describing the kinetics of sublimation has been developed. This theory is in excellent agreement with the experimental data. The evaporation coefficient, β, is strongly pressure dependent, indicating the importance of surface diffusion in the evaporation process.

引用

页码：202 / &

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