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Application of prompt gamma activation analysis and neutron activation analysis to the use of samarium as an intestinal marker

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Abstract

The use of prompt gamma activation analysis (PGAA) as a method for detection of the intestinal rare earth marker, samarium, has been evaluated by comparison with thermal neutron activation analysis (NAA). PGAA detection has significant advantages with respect to its higher reaction cross section and possible rapid experimental turnaround time. Serious disadvantages are lower neutron fluxes available to the target and nonavailability of numerous PGAA facilities. Results of the technique comparisons are generally very good. Pony fecal concentrations of samarium in samples obtained at various times after administration of a marked meal were measured by both techniques. In only one sample did results of the methods differ by more than the experimental errors involved.

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Author notes

  1. K. R. Pond

    Present address: Department of Animal Science, North Carolina State University, Raleigh, NC, USA

Authors and Affiliations

  1. Center for Trace Characterization, Texas A&M University, College Station, TX, (USA)

    W. D. James

  2. Department of Animal Science, Texas A&M University, College Station, TX, (USA)

    F. F. Arnold & K. R. Pond

  3. Research Reactor Facility, University of Missouri, Columbia, MO, (USA)

    M. D. Glascock & T. G. Spalding

Authors
  1. W. D. James
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  2. F. F. Arnold
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  3. K. R. Pond
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  4. M. D. Glascock
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  5. T. G. Spalding
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James, W.D., Arnold, F.F., Pond, K.R. et al. Application of prompt gamma activation analysis and neutron activation analysis to the use of samarium as an intestinal marker. Journal of Radioanalytical and Nuclear Chemistry, Articles 83, 209–214 (1984). https://doi.org/10.1007/BF02037134

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  • DOI: https://doi.org/10.1007/BF02037134

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