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Savina MR, Isselhardt BH, Kucher A, et al. High Useful Yield and Isotopic Analysis of Uranium by Resonance Ionization Mass Spectrometry. Anal Chem. 2017;89(11):6224-6231doi: 10.1021/acs.analchem.7b01204.
Savina, M. R., Isselhardt, B. H., Kucher, A., Trappitsch, R., King, B. V., Ruddle, D., Gopal, R., & Hutcheon, I. (2017). High Useful Yield and Isotopic Analysis of Uranium by Resonance Ionization Mass Spectrometry. Analytical chemistry, 89(11), 6224-6231. https://doi.org/10.1021/acs.analchem.7b01204
Savina, Michael R, et al. "High Useful Yield and Isotopic Analysis of Uranium by Resonance Ionization Mass Spectrometry." Analytical chemistry vol. 89,11 (2017): 6224-6231. doi: https://doi.org/10.1021/acs.analchem.7b01204
Savina MR, Isselhardt BH, Kucher A, Trappitsch R, King BV, Ruddle D, Gopal R, Hutcheon I. High Useful Yield and Isotopic Analysis of Uranium by Resonance Ionization Mass Spectrometry. Anal Chem. 2017 Jun 06;89(11):6224-6231. doi: 10.1021/acs.analchem.7b01204. Epub 2017 May 24. PMID: 28485963.
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Anal Chem. 2017 Jun 06;89(11):6224-6231. doi: 10.1021/acs.analchem.7b01204. Epub 2017 May 24.

High Useful Yield and Isotopic Analysis of Uranium by Resonance Ionization Mass Spectrometry.

Analytical chemistry

Michael R Savina, Brett H Isselhardt, Andrew Kucher, Reto Trappitsch, Bruce V King, David Ruddle, Raja Gopal, Ian Hutcheon

Affiliations

  1. Nuclear and Chemical Sciences Division, Lawrence Livermore National Laboratory , Livermore, California 94550, United States.
  2. The University of Newcastle , Newcastle, New South Wales 2308, Australia.
  3. National Security Engineering Division, Lawrence Livermore National Laboratory , Livermore, California 94550, United States.
  4. Global Security Computing Division, Lawrence Livermore National Laboratory , Livermore, California 94550, United States.

PMID: 28485963 DOI: 10.1021/acs.analchem.7b01204

Abstract

Useful yields from resonance ionization mass spectrometry can be extremely high compared to other mass spectrometry techniques, but uranium analysis shows strong matrix effects arising from the tendency of uranium to form strongly bound oxide molecules that do not dissociate appreciably on energetic ion bombardment. We demonstrate a useful yield of 24% for metallic uranium. Modeling the laser ionization and ion transmission processes shows that the high useful yield is attributable to a high ion fraction achieved by resonance ionization. We quantify the reduction of uranium oxide surface layers by Ar

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