Precise age determination of a single plutonium particle using inductively coupled plasma mass spectrometer
-
Y. Miyamoto
,
F. Esaka
Abstract
Age-dating of single plutonium oxide particles ∼ 1 µm in diameter was demonstrated using eight particles. For this demonstration, the particles were prepared from a standard reference material SRM-947 that had been stored for 3.9 years since the last Pu purification. The Pu particles were separately dissolved, and Am and Pu were chemically separated from the solution via anion-exchange chromatography. The isotope ratios of Am and Pu in the eluted fractions were measured using a high-resolution inductively coupled plasma mass spectrometer (HR-ICP-MS). The precision and accuracy of the Pu age were improved through the addition of an 243Am spike to the sample solutions and by the trace chemical separation of Pu and Am. The determined age in this work was in good agreement with the expected age with high accuracy (deviation: 7.1–105 days) and precision (uncertainty: 0.16–0.5 years (k = 1)). These results indicate that a combination of ICP-MS and chemical separation after spiking with 243Am provides an effective tool for the analysis of environmental samples collected during nuclear safeguard inspections.
© 2013 by Walter de Gruyter Berlin Boston
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Articles in the same Issue
- Masthead
- Masthead
- MicroSISAK: continuous liquid–liquid extractions of radionuclides at 0.2 mL/min
- Crystal structure and spectral properties of complexes of tetravalent Th, U, Np and Pu nitrates with trimethyl phosphate and dimethyl phosphate
- Heterogeneous reduction of 239PuO2 by aqueous Fe(II) in the presence of hematite
- New alkyl-pyridinedicarboxyamides as extractants for separationof trivalent minor actinides from fission products by extraction chromatography
- Liquid–liquid extraction of Np4+ and Pu4+ using several tetra-alkyl substituted diglycolamides
- Ion-imprinted polymeric nanoparticles as a novel sorbent to separate radioyttrium from Sr target
- Effect of a spacer moiety on radiometal labelled Neurotensin derivatives
- Investigaton of Kpong carbonatite as a potential source for rare earth elements (REEs) using instrumental neutron activation analysis (INAA)
- Precise age determination of a single plutonium particle using inductively coupled plasma mass spectrometer
