高等学校化学学报

高等学校化学学报 ›› 1997, Vol. 18 ›› Issue (8): 1281.

• 论文 • 上一篇    下一篇

HBTMPTP与Cyanex 925协同萃取Sc(Ⅲ)的研究

魏正贵2, 李德谦1, 王春1, 江祖成2   

  1. 1. 武汉大学化学系, 武汉 430072;
    2. 中国科学院长春应用化学研究所稀土化学与物理开放实验室, 长春 130022
  • 收稿日期:1996-07-11 出版日期:1997-08-24 发布日期:1997-08-24
  • 通讯作者: 李德谦.
  • 作者简介:魏正贵, 男, 24岁, 硕士研究生.
  • 基金资助:

    国家攀登计划基金

Studies on Synergistic Extraction of Sc(Ⅲ)with HBTMPTP and Cyanex925

WEI Zheng-Gui2, LI De-Qian1, WANG Chun1, JIANG Zu-Cheng2   

  1. 1. Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022;
    2. Department of Chemistry, Wuhan University, Wuhan 430072
  • Received:1996-07-11 Online:1997-08-24 Published:1997-08-24

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被引次数

18

摘要： 研究了二(2,4,4-三甲基戊基)单硫代膦酸(HBTMPTP,HL)和支链三烷基氧化膦(Cyanex925,B)的正己烷溶液在H2SO4介质中对Sc(III)的萃取性能,结果表明,在较低酸度(CH2SO4〈0.25mol/L)时存在协同效应,用斜率法确定了Sc(III)的协萃配合物的组成为Sc(HL2)2B3(SO4)1/2,计算了协萃反应的平衡常数,讨论了协萃配合物的IR谱和FAB－MS.

关键词: HBTMPTP, Cyanex925, 钪, 协同萃取

Abstract: The synergistic extraction of Sc (III) from H2SO4 solution with bis(2,4,4-trimethylpentyl)monothiophosphin acid (HBTMPTP, HL) and branched chain alkyl phos-phine oxide mixture (Cyanex 925, B) in n-hexane has been investigated. The results indicat-ed that synergistic effect was showed in low acidity(CH2SO4<0.25mol/L). The composition of the extracted complex of Sc (III) has been determined to be Sc (HL2)2B3(SO4)1/2 by the method of slope analysis.

Key words: HBTMPTP, Cyanex925, Scandium, Synergistic extraction

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