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用目测变温法、差热分析法及Ｘ射线粉末法测定了ＫＦ─ＬｉＣ─ＣａＣｌ_２系熔盐相图，发现ＫＦ在ＬｉＣｌ－ＣａＣｌ_２熔盐溶液中呈负偏差，并对ＫＦ－ＬｉＣｌ－ＣａＣｌ_２系相图和已经研究的ＫＦ－ＬｉＣｌ－ＢａＣｌ_２及ＫＰ－ＬｉＣｌ－ＳｒＣｌ_２系相图进行了讨论，发现碱土金属氟化物的初晶面积和溶解能参数之间存在一定的关系．
The KF-LiC-CaCl 2 system molten salt phase diagram was measured by visual analysis, differential thermal analysis and X-ray powder method. It was found that KF was negatively deviated in the molten salt solution of LiCl-CaCl 2, and KF-LiCl- The diagrams and the phase diagrams of KF-LiCl-BaCl 2 and KP-LiCl-SrCl 2 have been discussed. It is found that there is a certain relationship between the initial area of the alkaline earth metal fluoride and the solvus energy parameters.