DETERMINATION OF THE STANDARD GIBBS FREE-ENERGIES OF FORMATION OF THE CALCIUM ALUMINATES FROM THE OXIDES BY EMF-MEASUREMENTS

被引:23
|
作者
ROG, G [1 ]
KOZLOWSKAROG, A [1 ]
ZAKULASOKOL, K [1 ]
BORCHARDT, G [1 ]
机构
[1] TECH UNIV CLAUSTHAL,INST GEN MET,W-3392 CLAUSTHAL ZELLERFE,GERMANY
来源
JOURNAL OF CHEMICAL THERMODYNAMICS | 1993年 / 25卷 / 07期
关键词
D O I
10.1006/jcht.1993.1078
中图分类号
O414.1 [热力学];
学科分类号
摘要
The standard molar Gibbs free energies of formation from the oxides of the calcium aluminates: CaAl12O19, CaAl4O7, and Ca3Al2O4 Ca3Al2O6 were determined with the help of solid-state galvanic cells in the temperature range 1000 K to 1200 K. Calcium-β″-alumina containing 3 mass per cent of CaF2 was used as an electrolyte in the cells under study. © 1993 Academic Press Ltd.
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页码:807 / 810
页数:4
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