高等学校化学学报 ›› 1995, Vol. 16 ›› Issue (6): 827.

• 论文 •    下一篇

YbCl3-CaCl2-NaCl三元体系相图的研究

郑朝贵, 彭绍琴   

  1. 北京大学化学系, 北京, 100871
  • 收稿日期:1994-06-30 修回日期:1994-12-28 出版日期:1995-06-24 发布日期:1995-06-24
  • 通讯作者: 郑朝贵,男,55岁,副教授
  • 作者简介:郑朝贵,男,55岁,副教授
  • 基金资助:

    国家自然科学基金

Investigation on Phase Diagram of YbCl3-CaCl2-NaCl

ZHENG Chao-Gui, PENG Shao-Qin   

  1. Department of Chemistry Peking University, Beijing 10087l
  • Received:1994-06-30 Revised:1994-12-28 Online:1995-06-24 Published:1995-06-24

摘要: 借助DTA研究了YbCl3-CaCl2-NaCl三元体系相图,发现该体系有对应于YbCl3、CaCl2、NaCl、Na3YbCl6的4个液相面,5条二次结晶线,1个三元低共熔点E(87.0%YbCl3,1.0%CaCl2,12.0%NaCl;450℃)和三元转熔点P(61.0%YbCl3,19.0%CaCl2,20.0%NaC1;474℃).

关键词: YbCl3, YbCl3-CaCl2-NaCl三元系, 相图

Abstract: The phase diagram of YbCl3-CaCl2-NaCl ternary system has been investigated by means of DTA, It is found that there are 4 fields corresponding to the primary crystallization of YbCl2,CaCl2,NaCl and Na3YbCl6respectively and 5 univariant lines related to the secondary crystallization in this system.The two reactions occurred in this system are:

Key words: YbCl3, YbCl3-CaCl2-NaCl, Phase diagram

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