Removal of Isobaric Interferences by Resonance Ionization Mass Spectrometry

D. L. Donohue; J. P. Young

doi:10.1117/12.936230

19 October 1983 Removal of Isobaric Interferences by Resonance Ionization Mass Spectrometry

D. L. Donohue, J. P. Young

Proceedings Volume 0426, Laser-Based Ultrasensitive Spectroscopy and Detection V; (1983) https://doi.org/10.1117/12.936230
Event: 27th Annual Technical Symposium, 1983, San Diego, United States

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.

Citation Download Citation

D. L. Donohue and J. P. Young "Removal of Isobaric Interferences by Resonance Ionization Mass Spectrometry", Proc. SPIE 0426, Laser-Based Ultrasensitive Spectroscopy and Detection V, (19 October 1983); https://doi.org/10.1117/12.936230

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