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Observations relative to epithermal and fast neutrons in INAA

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Abstract

Various theoretical and practical aspects of epithermal neutron activation analysis (ENAA) and fast-neutron-induced reaction interferences in conventional instrumental thermal neutron activation analysis (TNAA) have been considered. A new generalized advantage factor which reflects a practical improvement of detection limits in ENAA is proposed. In the determination of practical advantage factors, consideration is also given to the different irradiation channels available for the experiment in a given reactor, or even in several accessible reactors. Fast neutron reaction interference factors are tabulated for both ENAA and TNAA and examples are given of specific interferences in TNAA for some biological and geological matrices.

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Authors and Affiliations

  1. Low Energy Nuclear Reaction Laboratory, Physics Division, Institute of Atomic Energy (IAE), Academia Sinica, P. O. Box 275, Beijing, (People's Republic of China)

    Wei-Zhi Tian

  2. Department of Chemistry, University of Kentucky, 40506, Lexington, Kentucky, (USA)

    W. D. Ehmann

Authors
  1. Wei-Zhi Tian
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  2. W. D. Ehmann
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Tian, WZ., Ehmann, W.D. Observations relative to epithermal and fast neutrons in INAA. Journal of Radioanalytical and Nuclear Chemistry, Articles 84, 89–102 (1984). https://doi.org/10.1007/BF02038183

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  • DOI: https://doi.org/10.1007/BF02038183

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