Thermodynamic properties of spinel MgAl2O4: A mass spectrometric study

被引：0
|
作者：
S. I. Shornikov
机构：
[1] Russian Academy of Sciences,Vernadskii Institute of Geochemistry and Analytical Chemistry
来源：
Russian Journal of Physical Chemistry A | 2017年 / 91卷
关键词：
Knudsen effusion mass spectrometry; thermodynamic properties of spinel;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The activities of oxides in stoichiometric spinel MgAl2O4 in the temperature range 1851–2298 K were determined from the data obtained by the Knudsen effusion mass spectrometry. The resulting Gibbs energies of spinel formation from simple oxides, the enthalpies and entropies of spinel formation from simple oxides (–12.02 ± 1.14 kJ/mol and 5.03 ± 0.56 J/(mol K), respectively), and the spinel melting enthalpy (55.81 ± 4.62 kJ/mol) satisfactorily agree with the available thermodynamic data.
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页码：287 / 294
页数：7
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