Solvent Extraction the Nitrate of Lanthanide (III) Binary Mixtures Extragents - Carboxylate and Dialkyl Phosphate Amines

被引：1
|
作者：
Kalyakin, Sergey N. [1 ]
Kuz'min, Vladimir, I [1 ]
Mulagaleeva, Marina A. [1 ]
机构：
[1] Inst Chem & Chem Technol SB RAS, 50-24 Academgorodok, Krasnoyarsk 660036, Russia
来源：
JOURNAL OF SIBERIAN FEDERAL UNIVERSITY-CHEMISTRY | 2015年 / 8卷 / 04期
关键词：
REE; binary extraction; carboxylate; amine; di-(2-ethylhexyl)phosphoric acid; synergetic effect;
D O I：
10.17516/1998-2836-2015-8-4-580-589
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The use of binary extractants based on carboxilate and dialkilphosphate of the secondary and tertiary amines and their mixture for separation of ions of lanthanides (III) has been investigated. Isotherms of extraction of lanthanides nitrates (III) are linear at the initial segment, the interphase transfer of cation and anion of an inorganic salt is conjugate, lanthanides reextraction can be carried out by water. Studied binary extractanting agents are characterized by high separation factors of lanthanides. The synergetic effect for the system of di-(2-ethylhexyl)carboxylate, caprinate of di-n-octylammonium and tri-n-octylammonium has been found.
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收藏
页码：580 / 589
页数：10
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