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Proceedings Paper

Removal of Isobaric Interferences by Resonance Ionization Mass Spectrometry
Author(s): D. L. Donohue; J. P. Young
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Paper Abstract

The technique of resonance ionization mass spectrometry (RIMS) has been successfully applied to the measurement of isotope ratios for several elements. In the case of neodymium and samarium, isobaric interference was removed at isotopic masses 144, 148 and 150. Isotope ratios were measured for these two elements in an equimolar mixture, with a significant improvement in accuracy compared to conventional thermal ionization mass spectrom-etry. In addition, RIMS was applied to the elements uranium and plutonium in order to eliminate isobaric interferences at mass 238 and potentially at mass 241 (due to americium). Recent results are presented for measurements made on nanogram size samples loaded on resin beads.

Paper Details

Date Published: 19 October 1983
PDF: 5 pages
Proc. SPIE 0426, Laser-Based Ultrasensitive Spectroscopy and Detection V, (19 October 1983); doi: 10.1117/12.936230
Show Author Affiliations
D. L. Donohue, Oak Ridge National Laboratory (United States)
J. P. Young, Oak Ridge National Laboratory (United States)


Published in SPIE Proceedings Vol. 0426:
Laser-Based Ultrasensitive Spectroscopy and Detection V
Richard A. Keller, Editor(s)

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