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Development and implementation of k0-INAA standardization at 10 MW Pakistan research reactor-1
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Mohammad Wasim
Veröffentlicht/Copyright:
4. Dezember 2009
Abstract
The k0-method has been developed for 10 MW Pakistan Research Reactor (PARR-1). It involved the full energy peak efficiency calibration of HPGe detector for different counting geometries and characterization of neutron flux at three irradiation channels. Neutron flux was characterized for thermal to epithermal flux ratio, epithermal flux shape factor, modified spectral index, Westcott´s g-factor and fast flux. The method was validated by analyzing IAEA-SL1 (lake sediment) and NIST-SRM-1572 (citrus leaves). All calculations were performed in Excel. The results revealed most of the elements with good accuracy.
Keywords: k0-INAA; Neutron flux characterization
Published Online: 2009-12-04
Published in Print: 2009-11
© by Oldenbourg Wissenschaftsverlag, München, Germany
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Artikel in diesem Heft
- Redox stability of neptunium(V) and neptunium(IV) in the presence of humic substances of varying functionality
- Differential pulse cathodic stripping voltammetric determination of uranium with arsenazo-III at the hanging mercury dropping electrode
- Effect of pH and ionic strength on sorption of Eu(III) to MX-80 bentonite: batch and XAFS study
- Determination of 45Ca and γ-emitting radionuclides in concrete from a nuclear power plant
- Extraction of long-lived radionuclides 152,154Eu and 134Cs using environmentally benign aqueous biphasic system
- Determination of major and trace elements in iron-nickel-copper-cobalt ore reference materials using k0-NAA
- Development and implementation of k0-INAA standardization at 10 MW Pakistan research reactor-1
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