高等学校化学学报 ›› 1983, Vol. 4 ›› Issue (5): 634.

• 研究简报 • 上一篇    下一篇

LaCl3-CH3CONHCSNH2-H2O体系的研究

唐宗薰, 郭志箴, 陈佩珩, 马晋华, 陈运生   

  1. 西北大学化学系
  • 收稿日期:1982-01-05 出版日期:1983-10-24 发布日期:1983-10-24

A STUDY ON TERNARY SYSTEM LaCl3-CH3CONHCSNH2-H2O AT 30℃ AND 50℃

Tang Zongxun, Guo Zhizhen, Chen Peihang, Ma Jinhua, Chen Yunsheng   

  1. Department of Chemistry, Northwestern University, Xian
  • Received:1982-01-05 Online:1983-10-24 Published:1983-10-24

摘要: 在LaCl3-CS(NH2)2-H2O[1]、LaCl3-CH3CONH2-H2O[2]和LaCl3-CH3CONHCONH2-H2O[3]体系的研究中,我们未能发现Жолалиева, З. М. 等人报导[4,5]的LaCl3·6H3O,得到的都是氯化镧的七水合物。本文在对前人未曾作过的体系LaCl3-CH3CONHCSNH2-H2O的研究中,也未发现LaCl3·6H2O的存在。

Abstract: The solubilities and the refraction indices of the saturated solutions in the titled system have been investigated isothermally. The system at 30℃ and at 50℃ is a simple eutonic one. The solubilities of LaCl3 · 7H2O (one of the solid phases) and CH3CONHCSNH2 (the other solid phase) at 30℃and at 50℃ decrease from 49.32%, 2.20% and 51.68%, 4.71% in pure water to 49.21%, 0.44% and 51.58%, 0.62% in eutonic solutions ( by LaCl3 and CH3CONHCSNH2), respectively.

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