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Proceedings in Radiochemistry

A Supplement to Radiochimica Acta

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Uranium resonance ionization mass spectrometry in natural U-silicate

K. B. Knight / M. R. Savina / B. H. Isselhardt / I. D. Hutcheon / S. G. Prussin / M. J. Pellin
Published Online: 2011-09-08 | DOI: https://doi.org/10.1524/rcpr.2011.0006


A natural uranium silicate mineral, cuprosklodowskite, has been analyzed by Resonance Ionization Mass Spectrometry (RIMS) for uranium isotope composition under a variety of experimental conditions. While no significant isobaric interferences are observed in the mass regions of interest, molecular supression is incomplete, and varies with the method of neutral U atom production. Despite low measured useful yields under the present analytical arrangement, it is possible to measure uranium isotope composition directly from the sample surface with only a minimum of sample preparation. U-RIMS is a method deserving further development for analyses of environmental materials.

Keywords: Resonance ionization; Uranium; Mass spectrometry; RIMS; Isotope

About the article

* Correspondence address: Lawrence Livermore National Laboratory, Livermore, CA 94550, U.S.A.,

Published Online: 2011-09-08

Published in Print: 2011-09-01

Citation Information: Proceedings in Radiochemistry A Supplement to Radiochimica Acta, Volume 1, Issue 1, Pages 37–43, ISSN (Print) xxxx-xxxx, DOI: https://doi.org/10.1524/rcpr.2011.0006.

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