Authors:
K. Khoo National University of Malaysia Nuclear Science Program, School of Applied Physics, Faculty of Science and Technology 43600 Bangi Selangor Malaysia

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S. Sarmani National University of Malaysia Nuclear Science Program, School of Applied Physics, Faculty of Science and Technology 43600 Bangi Selangor Malaysia

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I. Abugassa Tajura Research Center Neutron Activation Analysis Department P.O. Box 84518 Tripoli Libya

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Abstract  

The thermal to epithermal neutron flux ratio (f or Øth/Øe), epithermal neutron flux shape factor (α) and comparator factor (Fc) are essential parameters when calculating the concentration of sample using k0-standardization method in the neutron activation analysis (NAA). The work was performed in the Triga Mark II reactor of Malaysian Institute for Nuclear Technology Research (MINT) using Au/Zr monitor couple. Twenty channels in the reactor have been evaluated and the corresponding thermal to epithermal neutron flux ratios (f) ranged from 11.69 to 47.89. The epithermal neutron flux shape factors (α) were found in the range of −1.50·10−1 to 1.59·10−1 and the comparator factors (Fc) were calculated within the range of 9.85·103 to 6.70·104. These results allowed us to study the neutron flux distribution more precisely and established the goodness of fit for k0-NAA.

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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)