The kinetics of dehydration of some selenites under nonisothermal conditions

被引:0
作者
Vlaev, LT [1 ]
Genieva, SD [1 ]
Gospodinov, GG [1 ]
机构
[1] Assen Zlatarov Univ, Burgas 8010, Bulgaria
来源
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY | 2003年 / 77卷 / 09期
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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 dehydration of H2SeO3, Na2SeO3 (.) 5H(2)O, CoSeO3 (.) 2H(2)O, and NiSeO3 (.) 2H(2)O under nonisothermal conditions was studied on a derivatograph. A mathematical procedure implementing the Horowitz-Metzger and Coats-Redfern methods was used. The activation energies, frequency factors, entropies, enthalpies, and Gibbs energies of formation of activated complexes from the reagents were compared.
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页码:1410 / 1415
页数:6
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