EXTRACTION OF AM(III) AND CM(III) WITH 1-PHENYL-3-METHYL-4-ACETYL-PYRAZOLONE-5

被引：0
|
作者：
MOHAPATRA, PK [1 ]
MANCHANDA, VK [1 ]
机构：
[1] BHABHA ATOM RES CTR,DIV RADIOCHEM,BOMBAY 400085,INDIA
来源：
RADIOCHIMICA ACTA | 1992年 / 57卷 / 01期
关键词：
AMERICIUM(III); CURIUM(III); SYNERGISM; 1-PHENYL-3-METHYL-4-ACETYL-PYRAZOLONE-5; TRI-N-BUTYL PHOSPHATE; TRI-N-OCTYL-PHOSPHINE OXIDE;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
1-Phenyl-3-methyl-4-acetyl-pyrazolone-5 (HPMAP) was found to extract Am(III) as well as Cm(III) as self adduct species M(PMAP)3 . HPMAP (where M = Am/Cm) towards toluene from aqueous phase at pH = 3.0. In the presence of oxodonor (S), synergistic species M(PMAP)3 . S and M(PMAP)3 . 2S were co-extracted [S = tri-n-butyl phosphate (TBP)/di-n-octyl sulphoxide (DOSO)/tri-n-octyl phosphine oxide (TOPO)] towards organic phase. The adduct formation constants were found to be influenced by the proton affinity constants of the donors and those of the beta-diketones as well as by the steric hindrance offered by the three pyrazolone chelate rings (around the metal ion) to the approaching oxodonor.
引用
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页码：25 / 28
页数：4
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