Sorption of Rare-Earth Elements and Ac on UTEVA Resin in Different Acid Solutions

被引：8

作者：

Marinov, G. ^{[1
,2
]}

Marinova, A. ^{[1
]}

Milanova, M. ^{[2
]}

Happel, S. ^{[3
]}

Lebedev, N. A. ^{[1
]}

Drokhlyansky, Abigail ^{[4
]}

Mirzayev, Nijat ^{[1
,5
]}

Karaivanov, D. V. ^{[1
,6
]}

Filosofov, D. V. ^{[1
]}

机构：

[1] Joint Inst Nucl Res, DLNP Dept Radiochem, Dubna 141980, Russia

[2] Univ Sofia, Dept Inorgan Chem, Sofia, Bulgaria

[3] Triskem Int, R&D Dept, Bruz, France

[4] MIT, Dept Phys, Cambridge, MA 02139 USA

[5] Natl Acad Sci Azerbaijan, Inst Radiat Problems, Lab Radiochem, Baku, Azerbaijan

[6] Inst Nucl Energy Res, Lab Nucl Elect & Mossbauer Spect, Sofia, Bulgaria

来源：

SOLVENT EXTRACTION AND ION EXCHANGE | 2017年 / 35卷 / 04期

基金：

欧盟地平线“2020”;

关键词：

REE; UTEVA; distribution coefficients; inorganic acids; trichloracetic acid; EXTRACTION CHROMATOGRAPHY; SEPARATION; OPTIMIZATION; MINERALS; URANIUM;

D O I：

10.1080/07366299.2017.1336404

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The distribution of some rare-earth elements (REEs) on Uranium and TEtraValent Actinides (UTEVA) resin was determined from different concentrations of inorganic (HCl, HNO3, HClO4, HPF6) and one organic acid - CCl3COOH. Low sorption of all REEs in the range of 1 M-5 M HNO3 was observed. In more concentrated HNO3, a rapid increase of the distribution coefficients (K-d) was noticed with an increase in the atomic number of the lanthanides as well as in Y and Sc. The system UTEVA-CCl3COOH showed a higher selectivity for Eu(III). Chromatographic elution profiles were checked in order to confirm the obtained K-d values.

引用

页码：280 / 291

页数：12

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