Authors:
S. Fakhi Université Mohammed V Laboratoire de Radiochimie Rabat (Maroc)

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J. Paulus Centre de Recherches Nucléaires Laboratoire de Chimie Nucléaire B.P. 20, 67037 Strasbourg Cedex (France)

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S. Bouhlassa Université Mohammed V Laboratoire de Radiochimie Rabat (Maroc)

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Abstract  

A method is described for the analysis of thorium by neutron activation. The sample is brought into solution and quantitative extraction of233Pa is carried out in 1M HNO3 using 0.5M HTTA in benzene. Extraction mechanisms are discussed. The use of a low-power reactor (100 kWth) enables determination of thorium at a lower concentration limit of 50 ng for periods of irradiation, cooling and measurement of 3 hours, 24 hours and 300 seconds, respectively.

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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)