Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 444, Issue -, Pages 656-659Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2006.12.021
Keywords
alpha-particle spectrometry; atom ratio; mass spectrometry; plutonium
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High resolution alpha-particle spectrometry (HRAS), using electrodeposited sources and applying the WmALPHA program for spectral analysis, was evaluated for the determination of Pu-240/Pu-239 atom ratios in different Pu samples. The results obtained correspond well within 2-5% with the certified ratios determined by thermal ionization mass spectrometry and show the usefulness of HRAS for determining Pu-240/Pu-239 atom ratios in Pu samples. Using the alpha-particle energies of Pu-219 + Pu-240 for the energy calibration was found to be critical in achieving accurate results by HRAS. (c) 2007 Elsevier B.V. All rights reserved.
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