2,2'-DIPYRIDYL AND 1,10-PHENANTHROLINE IN THE SYNERGETIC EXTRACTION OF EU-3+

被引：4
|
作者：
FARAH, K [1 ]
KANDIL, AT [1 ]
机构：
[1] HELWAN UNIV,FAC SCI,DEPT CHEM,CAIRO,EGYPT
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1992年 / 157卷 / 01期
关键词：
D O I：
10.1007/BF02039789
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The thermodynamics of the extraction of Eu3+ by thenoyltrifluoroacetone (HTTA) and by mixtures of HTTA and bidentate amine bases such as 2,2'-dipyridyl (Dipy) and 1,10-phenanthroline (Phen) in benzene from an aqueous phase fixed to 0.1M ionic strength (NaClO4), pH 3.9, has been investigated. Phenanthroline forms both the Eu(TTA)3 . Phen and Eu(TTA)3 . 2Phen species, which are much stronger than the dipyridyl complexes. The diluent effect on the extraction is also studied.
引用
收藏
页码：177 / 184
页数：8
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