高等学校化学学报

高等学校化学学报 ›› 1994, Vol. 15 ›› Issue (1): 14.

• 论文 • 上一篇    下一篇

Ln(ClO4)3－DAPTU－H2O三元体系30℃时的相平衡研究

王志银1, 唐宗薰1, 陈开勋2, 郭志箴1   

  1. 1. 西北大学化学系, 西安, 710069;
    2. 西北大学化工系, 西安, 710069
  • 收稿日期:1993-05-11 修回日期:1993-07-11 出版日期:1994-01-24 发布日期:1994-01-24
  • 通讯作者: 王志银,男,28岁,硕士研究生.
  • 作者简介:王志银,男,28岁,硕士研究生.
  • 基金资助:

    国家自然科学基金

Studies on Phase Equilibrium of Ln(ClO4)3-DAPTU-H2O Ternary System at 30℃

WANG Zhi-Yin1, TANG Zong-Xun1, CHEN Kai-Xun2, GUO Zhi-Zhen1   

  1. Department of Chemistry, Northwest University, Xi'an, 710069
  • Received:1993-05-11 Revised:1993-07-11 Online:1994-01-24 Published:1994-01-24

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摘要： 测定了Ln(ClO4)3-DAPTU-H2O(Ln=La,Sm,Yb)三元体系在30℃时的溶解度及饱和溶液的折光率,绘制了相应的溶度图和折光率-组成图,各体系的溶度曲线和折光率曲线均由三支组成,分别与DAPTU、Ln(DAPTU)2(ClO4)3·8H2O(Ln=La,Sm,Yb)和Ln(ClO4)3·nH2O(Ln=La,n=8;Sm,n=9;Yb,n=8)相对应。从溶度图上发现了3个未见文献报道的固液异组成溶解的化合物,通过化学分析及元素分析、TG-DTG、IR对其进行了表征。

关键词: 三元体系, 溶解度, DAPTU, 稀土高氯酸盐

Abstract: The solubilities and the refractive indexes of saturated solutions of the title systems at 30℃ have been studied and the corresponding equilibrium solubility diagrams and refractive index diagrams were drawn.All the solubility curves and refractive index curves of these systems consist of three branches,corresponding to DAPTU,Ln( DAPTU)2( ClO4)3·8H2O(Ln=La,Sm,Yb) and Ln( ClO4)3·mH2O(Ln=La,n=8;Sm,n=9;Yb,n=8),respectively.All the three ternary compounds formed in the title systems are new compounds reported for the first time in this paper.They are of incongruity in water.They were characterized by chemical analysis,elemental analysis,TG-DTG and IRspectra.

Key words: Ternary system, Solubility, N,N'-diantipyryl-thiourea, Perchlorate rare earth

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