Extraction of Lanthanides(III) from Solutions of Mineral Acids with Solutions of N,N' -Dimethyl-N,N'-dicyclohexyldiglycolamide Complex with Bis[(trifluoromethyl)sulfonyl]imide

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Abstract

Extraction of lanthanides(III) from aqueous solutions of nitric and perchloric acids and bis[(trifluoromethyl)sulfonyl]imide with solutions of N,N'-dimethyl-N,N'-dicyclohexyldiglycolamide in organic solvents was studied depending on the concentration of acids in the aqueous phase. The stoichiometry of the extracted complexes was determined. It was found that the transformation of N,N'-dimethyl-N,N'-dicyclohexyldiglycolamide into a complex with bis[(trifluoromethyl)sulfonyl]imide leads to a significant increase in the extraction of lanthanide(III) ions from solutions of nitric, hydrochloric, sulfuric, and phosphoric acids.

About the authors

A. N Turanov

Osip'yan Institute of Solid State Physics, Russian Academy of Sciences

Email: badmitriy@gmail.com
Chernogolovka, Russia

V. K Karandashev

Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences

Email: badmitriy@gmail.com
Chernogolovka, Russia

V. E Baulin

Federal Research Center for Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences

Email: badmitriy@gmail.com
Chernogolovka, Russia

D. V Baulin

Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences

Author for correspondence.
Email: badmitriy@gmail.com
Chernogolovka, Russia

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