期刊
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
卷 284, 期 3, 页码 575-581出版社
SPRINGER
DOI: 10.1007/s10967-010-0509-5
关键词
Uranium; Nuclear forensics; Uranium isotopes
Secondary ion mass spectrometry (SIMS), secondary electron microscopy (SEM) and X-ray analysis have been applied to the measurement of U-bearing particles with the intent of gleaning information concerning their history and/or origin. The lead isotopic abundances are definitive indicators that U-bearing particles have come from an ore-body, even if they have undergone chemical processing. SEM images and X-ray analysis can add further information to the study that may allude to the extent of chemical processing. The presence of common lead that does not exhibit a radiogenic signature is clear evidence of anthropogenic origin.
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