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Oxygen isotope measurement by instrumental neutron activation analysis using reactor neutron—Revisited

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Abstract

The oxygen isotopes16O and18O were determined using reactor instrumental neutron activation analysis by utilizing the16O(n, p)16N and the18O(n, γ)19O reaction in the UCI 250 kw TRIGA research reactor.1 Such measurements were used to follow an exchange reaction between H2 18O and finely ground coal. The best conditions for the determination were explored and interference reactions quantified. Single irradiation/count sequences were used to determine 30 parts per thounsand of16O and 1 part per thousand of18O in a 400 mg sample of an HVA rank coal to a 25% (1σ) precision. Reactor pulses were shown to improve these detection limits significantly. Special attention was given to correcting for the high count rates from other induced activites.

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Authors and Affiliations

  1. Department of Chemistry, University of California, Irvine, 92717, Irvine, CA, (USA)

    G. E. Miller & T. A. Crofoot

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  1. G. E. Miller
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  2. T. A. Crofoot
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Miller, G.E., Crofoot, T.A. Oxygen isotope measurement by instrumental neutron activation analysis using reactor neutron—Revisited. Journal of Radioanalytical and Nuclear Chemistry, Articles 168, 257–263 (1993). https://doi.org/10.1007/BF02040506

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  • DOI: https://doi.org/10.1007/BF02040506

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