The CaF2-CaCl2-CaSO4 system

被引：3
|
作者：
Arbukhanova, P. A. [1 ]
Dibirov, Ya. A. [1 ]
Verdiev, N. N. [1 ]
Amadziev, A. M. [1 ]
机构：
[1] Russian Acad Sci, Branch Joint Inst High Temp, Makhachkala 367030, Dagestan, Russia
来源：
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2009年 / 54卷 / 06期
关键词：
Fluorspar;
D O I：
10.1134/S0036023609060230
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The liquidus surface of the CaF2-CaCl2-CaSO4 system has been investigated by differential thermal analysis. Two invariant equilibria (one eutectic and one peritectic) are realized in the system. The eutectic and peritectic melt at 597 and 703A degrees C, and the enthalpies of phase transitions are 206 and 378.1 kJ/kg, respectively. Investigation of the ternary system formed by the natural minerals fluorite (CaF2), anhydrite (CaSO4), and calcium chloride (a relatively low-melting inorganic solvent) is undertaken with the goal of developing power-intensive heat-accumulating phase-transition materials and electrolytes of diversified application.
引用
收藏
页码：980 / 982
页数：3
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