Authors:
Jia Wei-Jie Fudan University Department of Nuclear Science Shanghai (The People's Republic of China)

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Zhou Zu-Min Fudan University Department of Nuclear Science Shanghai (The People's Republic of China)

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He A-Di Fudan University Department of Nuclear Science Shanghai (The People's Republic of China)

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Wang Zhi-Lin Fudan University Department of Nuclear Science Shanghai (The People's Republic of China)

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Chin Chi-Tsung Fudan University Department of Nuclear Science Shanghai (The People's Republic of China)

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Abstract  

Laser-induced optical fiber fluorimetry has been first used to analyze uranium(VI) concentration in the kinetic studies on the extraction of uranium(VI) between 0.5 mol/l H3PO4 solution and HDEHP-cyclohexane system with a Lewis cell. The effects of stirring speed, temperature and concentrations of uranium(VI) and HDEHP on the rate of extraction were examined. These data show that the extraction rate of uranium(VI) in this system is controlled by the chemical reaction at the interface. The rate equations and the rate constants of forward and reverse extraction are obtained. The mechanism of the extraction is discussed.

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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)