Se and 
Cs in spent nuclear fuel for inventory estimation of high-level radioactive wastesAsai, Shiho; Hanzawa, Yukiko 
; Okumura, Keisuke ; Shinohara, Nobuo ; Inagawa, Jun; Hotoku, Shinobu ; Suzuki, Kensuke*; Kaneko, Satoru*
Se and Cs are long-lived fission products and are found in high-level radioactive waste (HLW). The estimation of their inventories in HLW is essential for the safety assessment of a geological disposal, owing to their mobility in the strata. In this study, the amounts of Se and Cs in spent nuclear fuel solution were measured. About 5 g of irradiated UO
fuel discharged from a commercial Japanese PWR with the average burn-up of 44.9 GWd/t was sampled. After Se and Cs were chemically separated, the amounts of Se and Cs in the spent nuclear fuel solution were measured with inductively coupled plasma quadrupole mass spectrometer (ICP-QMS). The amounts of Se and Cs were 5.2 
1.5 and 447 40 g/MTU, respectively. The results obtained in this study showed good agreement with those obtained by the ORIGEN2 calculation using the data library of JENDL-3.3.
Language |
: | English |
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Journal |
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Volume |
: | 48 |
Number |
: | 5 |
Pages |
: | p.851 - 854 |
Publication Year/Month |
: | 2011/05 |
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Keywords |
: | no keyword |
Article of JAEA R&D Review |
: | Analysis for Safety Assessment of Radwaste Disposal; Validation of Calculated Values of Content of Difficult-to-Measure Nuclides |
Cooperating Institute |
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Percentile:86.49 Category:Nuclear Science & Technology |
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