Isotope correlations for determining the isotopic composition of plutonium in high burnup pressurized water reactor (PWR) samples

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine
Kihsoo JoeKyuseok Song

Abstract

Correlations among the alpha activity ratios of (238)Pu/((239)Pu+(240)Pu), the alpha specific activities of Pu and the atom % abundances of Pu isotopes were derived for the plutonium samples obtained from high burnup fuel samples from pressurized water reactors. Using the alpha activity ratios of (238)Pu/((239)Pu+(240)Pu) determined by alpha spectrometry, the alpha specific activities of Pu as well as the atom % abundances of the plutonium isotopes in the unknown samples were calculated without depending on mass spectrometry. The calculated alpha specific activities of Pu agreed with those determined by experiment within 2%, and the atom % abundances of the Pu isotopes agreed within 4% for (238)Pu, 5% for (239)Pu, 7% for (240)Pu and 5% for (242)Pu, respectively. In addition, an attempt was made to elucidate a correlation between the fuel burnup and the alpha activity ratio of (238)Pu/((239)Pu+(240)Pu) at a range of the burnup from 35.5 to 62.9 GWd/MtU.

Citations

May 28, 2013·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·Sabyasachi PatraA Goswami
Jul 20, 2010·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·D AlameluSuresh K Aggarwal
Dec 3, 2014·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·Arnab SarkarS K Aggarwal

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