SYNERGISTIC EXTRACTION STUDIES OF AM(III) AND EU(III) FROM PERCHLORIC-ACID WITH 4-BENZOYL-2,4-DIHYDRO-5-METHYL-2-PHENYL-3H-PYRAZOL-3-THIONE (BMPPT) AND TRI-NORMAL-OCTYLPHOSPHINE OXIDE (TOPO) IN BENZENE

被引:19
|
作者
SMITH, BF
JARVINEN, GD
MILLER, GG
RYAN, RR
PETERSON, EJ
机构
[1] Los Alamos Natl Lab, Los Alamos, NM,, USA, Los Alamos Natl Lab, Los Alamos, NM, USA
关键词
EUROPIUM; -; Extraction; EXTRACTION;
D O I
10.1080/07366298708918599
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The extraction of Am(III) and Eu(III) from aqueous HClO//4 by BMPPT and TOPO in benzene was studied. The ligand BMPPT gave no detectable extraction in the ranges studied, but when BMPPT and TOPO were combined, a synergistic extraction was observed with a selectivity for Am(III) over Eu(III) (K//d//A//m equals 7. 5, Am/Eu equals 68, pH 3. 0, 0. 01 M left bracket TOPO right bracket , 0. 30 M left bracket BMPPT right bracket ).
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页码:895 / 908
页数:14
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