Redetermination of standard Gibbs energies of formation of CoMoO4 and Co2Mo3O8 by electromotive force measurement

被引：3
|
作者：
Koyama, K
Maekawa, N
机构：
[1] Dept. of Mat. Sci. and Engineering, Faculty of Engineering, Himeji Institute of Technology, Himeji 671-22
来源：
JOURNAL OF THE JAPAN INSTITUTE OF METALS | 1997年 / 61卷 / 02期
关键词：
CoMoO4; Co2Mo3O3; standard Gibbs energy of formation; electromotive force; solid electrolyte;
D O I：
10.2320/jinstmet1952.61.2_135
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The standard Gibbs energies of formation of CoMoO4 and Co2Mo3O8 have been redetermined in the temperature range from 1119 to 1273 K by measuring electromotive forces of galvanic cells having a solid oxide electrolyte. The results are as follows: Delta(f)G(o) (CoMoO4)/kJ.mol(-1) = -1011 + 0.3044(T/K) +/-2 Delta(f)G(o)(Co2Mo3O8)/kJ.mol(-1) = -2285 + 0.7000(T/K) +/-5 where the standard pressure is 1 bar (100 kPa).
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页码：135 / 139
页数：5
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