异丙基膦酸单（1－己基－4－乙基）辛酯与HPMBP协同萃取稀土元素（Ⅲ）  

Synergisitic Extraction of Rare Earth (Ⅲ)by PT-2 and HPMBP

作　　者：孙静[1] 郑重[1] 李德谦[1] 叶伟贞[1] 

机构地区：[1]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,中国科学院上海有机化学研究所

出　　处：《应用化学》1995年第3期64-66,共3页Chinese Journal of Applied Chemistry

基　　金：国家科委攀登项目资助

摘　　要：异丙基膦酸单（１－己基－４－乙基）辛酯与ＨＰＭＢＰ协同萃取稀土元素（Ⅲ）孙静，郑重，李德谦（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）叶伟贞（中国科学院上海有机化学研究所上海）关键词异丙基膦酸单（１－己基－４－乙基）辛酯，...The synergistic extraction of rare earth(Ⅲ)including La, Nd,Y,Gd,Yb fromaqueous mineral acid solution(H2SO4,HCl , HNO3)by isopropyl phosphonic acid mono( 1-hexyl-4-ethyl)octyl ester(PT-2, HL)with 1-phenyl-3-methyl-4-benzoyl-pyrazolone-5(HPMBP , HA)in benzeiie has been investigated. The compositions of the synergistic ex-tracted complexes and the equilibrium constants were determined and calculated respectively。The relationship between structures of the extractants and synergistic effects has been discussed. The mechanism of the synergistic extraction has been discussed also。

关 键 词：丙基膦酸 己基 乙基 辛酯 HPMBP 稀土 萃取 

分 类 号：O614.33[理学—无机化学] O658.2[理学—化学]