Authors:
K. Shakir Atomic Energy Establishement, Atomic Energy Nuclear Chemistry and Radiation Protection Departments, Nuclear Research Centre Post 13759 Cairo (Egypt)

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M. Aziz Atomic Energy Establishement, Atomic Energy Nuclear Chemistry and Radiation Protection Departments, Nuclear Research Centre Post 13759 Cairo (Egypt)

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Sh. Beheir Atomic Energy Establishement, Atomic Energy Nuclear Chemistry and Radiation Protection Departments, Nuclear Research Centre Post 13759 Cairo (Egypt)

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Abstract  

Studies have shown that plots of the log of the distribution ratio versus pH for the distribution of uranium(VI) between non-plasticized and TBP-plasticized dibenzoylmethane-loaded polyurethane foams and dilute aqueous uranium(VI) solutions have a limiting slope of 0.6 at equilibrium pH values 4 and reach a maximum distribution constant at about pH 6.0. The results indicate that the extracted complex is a simple chelate, UO2Me2, where HMe denotes dibenzoylmethane. Plasticization of the foam with TBP has been found to significantly enhance the rate of extraction.

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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)