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Analytical capabilities of anticoincidence INAA for biological materials

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Abstract

Sensitivities and limits of detection (LODs) for 39 elements were determined for cellulose filters, foods, and biological reference materials by anticoincidence instrumental neutron activation analysis. Compton background reduction improved many LODs by about a factor of 2, but increased LODs for elements whose radioisotopes decay with cascading γ-rays. As and Hg analyses were aided by reduction of Br and Se photopeak intensities, respectively. LODs of 0.03–0.8 μg/kg were achieved for 16 elements in cellulose filters. Typical biological material and food LODs were higher by factors of about 10–600.

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Acknowledgment

The author wishes to thank the members of Reactor Operations staff at the NCNR for their valuable contributions to this work.

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Authors and Affiliations

  1. Chemical Contaminants Branch (HFS-716), Office of Regulatory Science, US Food and Drug Administration, 5100 Paint Branch Parkway, College Park, MD, 20740-3835, USA

    David L. Anderson

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  1. David L. Anderson
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Correspondence to David L. Anderson.

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Anderson, D.L. Analytical capabilities of anticoincidence INAA for biological materials. J Radioanal Nucl Chem 282, 75–79 (2009). https://doi.org/10.1007/s10967-009-0162-z

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  • DOI: https://doi.org/10.1007/s10967-009-0162-z

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