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  • 1 Oregon State University Department of Chemistry and the Radiation Center 97331 Corvallis OR (USA)
  • | 2 the Chinese Academy of Agricultural Sciences Institute for Application of Atomic Energy Beijing China
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Sodium contents in seven mixtures of biological materials from varying aliquants of wheat flour and oyster tissue were analyzed using the INAA (instrumental neutron activation analysis) method. The samples were activated in the thermal column (TC) of the 1 MW TRIGA reactor at our laboratory. To analyze and compare the measured results, the ratioa of the epithermal neutron flux to the thermal neutron flux was determined in the TC, the rotating rack (RR) and the pneumatic terminal (PT). Due to the negligible interferences of24Mg(n, p)24Na and27Al(n, )24Na to23Na(n, )24Na, the Na results were obtained with 97% accuracy and 99% precision. It is shown that the method is suited for accurately determining Na contents in 12 various biological materials, especially for the samples that are low in Na content. From the cadmium ratio measurements of Au (4.9 eV resonance of198Au) and Sm (8 eV resonance of153Sm), ratios ofae/0 were determined at 0.0011, 0.052 and 0.053 in the TC, RR and PT activation positions, respectively.

Manuscript Submission: HERE

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
per Year
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Founder Akadémiai Kiadó
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)