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- Title
Synthesis and characterization of bisdiglycolamides for comparable extraction of Th, UO and Eu from nitric acid solution.
- Authors
Ren, Peng; Yan, Ze-Yi; Li, Yang; Wu, Zuo-Miao; Wang, Lei; Zhao, Lian-Biao; Gao, Yi-Quan; Wu, Wang-Suo
- Abstract
The novel ligand N,N,N′′′′, N′′′′-tetrabutyl- N′′′, N′′′-( N″, N″-diethyl)-ethidene bisdiglycolamide (TBEE-BisDGA) and other eight analogous extractants have been synthesized and characterized by NMR and HRMS. The solvent extraction of Th, UO and Eu from nitric acid solution using the above BisDGA extractants was investigated in 1-dodecanol at 30 ± 1 °C. The extractants exhibited higher affinity toward Th than UO and Eu in the present system. The maximum value of separation factor SF and SF is 78.5 and 53.3 respectively for TBEE-BisDGA, 88.1 and 69.5 respectively in the case of TBPE-BisDGA at 3 M HNO solution.
- Subjects
SOLVENT extraction; THORIUM; URANIUM oxides; NITRIC acid; EUROPIUM; DODECANOL; NUCLEAR magnetic resonance
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2017, Vol 312, Issue 3, p487
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-017-5248-4