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Solvent Extraction and Ion Exchange Volume 35, 2017 - Issue 4
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Articles

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

G. MarinovDLNP Department of Radiochemistry, Joint Institute for Nuclear Research, Dubna, Russian Federation;Department of Inorganic Chemistry, University of Sofia, Sofia, BulgariaCorrespondence[email protected]
ORCID Iconhttp://orcid.org/0000-0002-5252-0548
ORCID Icon,
A. MarinovaDLNP Department of Radiochemistry, Joint Institute for Nuclear Research, Dubna, Russian Federation
,
M. MilanovaDepartment of Inorganic Chemistry, University of Sofia, Sofia, Bulgaria
,
S. HappelR&D Department, Triskem International, Bruz, France
,
N. A. LebedevDLNP Department of Radiochemistry, Joint Institute for Nuclear Research, Dubna, Russian Federation
,
Abigail DrokhlyanskyDepartment of Physics, MIT, Cambridge, MA, USA
,
Nijat MirzayevDLNP Department of Radiochemistry, Joint Institute for Nuclear Research, Dubna, Russian Federation;Laboratory of Radiochemistry, Institute of Radiation Problems of National Academy of Sciences of Azerbaijan, Baku, Azerbaijan
,
D. V. KaraivanovDLNP Department of Radiochemistry, Joint Institute for Nuclear Research, Dubna, Russian Federation;Laboratory of Nuclear Electronics and Mössbauer Spectroscopy, Institute for Nuclear Research and Nuclear Energy, Sofia, Bulgaria
&
D. V. FilosofovDLNP Department of Radiochemistry, Joint Institute for Nuclear Research, Dubna, Russian Federation
 show all
Pages 280-291 | Published online: 30 Jun 2017
 
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ABSTRACT

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 (Kd) 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 Kd values.

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Related Research Data

Sorption of Rare-earth Elements and Ac on DN resin with HCl, HClO4, CH3COOH, CCl3COOH
Source: Informa UK Limited

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