Authors:
H. Ding Chinese Academy of Sciences Institute of Modern Physics Lanzhou 730000 P.R. China

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Y. Niu Chinese Academy of Sciences Institute of Modern Physics Lanzhou 730000 P.R. China

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Y. Xu Chinese Academy of Sciences Institute of Modern Physics Lanzhou 730000 P.R. China

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W. Yang Chinese Academy of Sciences Institute of Modern Physics Lanzhou 730000 P.R. China

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S. Yuan Chinese Academy of Sciences Institute of Modern Physics Lanzhou 730000 P.R. China

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Z. Qin Chinese Academy of Sciences Institute of Modern Physics Lanzhou 730000 P.R. China

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X. Wu Chinese Academy of Sciences Institute of Modern Physics Lanzhou 730000 P.R. China

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Abstract  

Solvent extraction of protactinium with tri-iso-octyl-amine (TIOA) in xylene, benzene, carbon tetrachloride and chloroform from HCl, HF, HNO3, HClO4 and H2SO4 media was studied using 233Pa as a radiotracer. The extraction efficiencies of protactinium were determined as a function of shaking time, concentrations of mineral acids in aqueous phase, extractant concentrations and diluents in organic phase. The extraction mechanism was discussed. The results show that the extracted species in the organic phase is [(R3NH)nPa(OH)xCl y5−xy ].

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)