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http://dx.doi.org/10.5516/NET.06.2012.056

INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY FOR THE DETERMINATION OF 237Np IN SPENT NUCLEAR FUEL SAMPLES BY ISOTOPE DILUTION METHOD USING 239Np AS A SPIKE  

Joe, Kihsoo (Korea Atomic Energy Research Institute)
Han, Sun-Ho (Korea Atomic Energy Research Institute)
Song, Byung-Chul (Korea Atomic Energy Research Institute)
Lee, Chang-Heon (Korea Atomic Energy Research Institute)
Ha, Yeong-Keong (Korea Atomic Energy Research Institute)
Song, Kyuseok (Korea Atomic Energy Research Institute)
Publication Information
Nuclear Engineering and Technology / v.45, no.3, 2013 , pp. 415-420 More about this Journal
Abstract
A determination method for $^{237}Np$ in spent nuclear fuel samples was developed using an isotope dilution method with $^{239}Np$ as a spike. In this method, inductively coupled plasma mass spectrometry (ICP-MS) was taken for the $^{237}Np$ instead of the previously used alpha spectrometry. $^{237}Np$ and $^{239}Np$ were measured by ICP-MS and gamma spectrometry, respectively. The recovery yield of $^{237}Np$ in synthetic samples was $95.9{\pm}9.7$% (1S, n=4). The $^{237}Np$ contents in the spent fuel samples were 0.15, 0.25, and $1.06{\mu}g/mgU$ and these values were compared with those from ORIGEN-2 code. A fairly good agreement between the measurements (m) and calculations (c) was obtained, giving ratios (m/c) of 0.93, 1.12 and 1.25 for the three PWR spent fuel samples with burnups of 16.7, 19.0, and 55.9 GWd/MtU, respectively.
Keywords
Neptunium-237; Spent Nuclear Fuel; Isotope Dilution Method; Gamma Spectrometry; Inductively Coupled Plasma Mass Spectrometry;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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