Separation of Rare Earth and Transplutonium Elements in Carbonate Media.

Autor:	Balanstev, I. V., Karavan, M. D., Smirnov, I. V.
Předmět:	CALIXARENE derivatives CARBONATES RARE earth metals AMERICIUM CALIXARENES
Zdroj:	Radiochemistry; Apr2023, Vol. 65 Issue 2, p230-233, 4p
Abstrakt:	The extraction ability and selectivity of nonmacrocyclic (8-quinolinol and 2,3-dihydroxynaphthelene) and macrocyclic (sulfur-containing calixarene derivatives) ligands toward rare earth and transplutonium elements in carbonate media was studied. Both macrocyclic and nonmacrocyclic derivatives showed moderate selectivity to americium in the Am/Eu pair (separation factor SF from 1.6 to 14 at pH > 12), and sulfur-containing calixarenes showed also high selectivity to Am in the Am/Cm pair (SF 3–8 at pH > 13). The compounds studied show promise as extractants for group recovery and separation of actinides, and also for separation of rare earth and transplutonium elements in carbonate media. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
Externí odkaz:	Zobrazit plný text záznamu Full text from SpringerLink