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Systematic calculation of detection limits in INAA of single element matrices with a SLOWPOKE reactor

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Abstract

A computer code using a simple model for the simulation of γ-ray spectra has been written to evaluate detection limits in INAA of single-element matrices. The data base includes cross-sections for the (n, γ), (n, p) and (n, α) reactions that contribute to the activity of samples irradiated in the inner irradiation sites of a SLOWPOKE reactor. The values of the detection limits of 63 elements in 60 matrices are presented in a tabular form. Up to 4 radioisotopes per element were considered for a total of 114 radioisotopes. The program also lists the set of experimental conditions, selected from 7 sets which cover the range of practically used values of irradiation, decay and counting time, which yields for each radioisotope the lowest limit of detection. It also indicates, via a reduction factor, the maximum allowable sample size.

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Authors and Affiliations

  1. Nuclear Engineering Institute, Ecole Polytechnique, Stn A, P. O. Box 6079, H3C 3A7, Montreal, Que., Canada

    L. Zikovsky, J. -L. Galinier & J. St-Pierre

Authors
  1. L. Zikovsky
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  2. J. -L. Galinier
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  3. J. St-Pierre
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Zikovsky, L., Galinier, J.L. & St-Pierre, J. Systematic calculation of detection limits in INAA of single element matrices with a SLOWPOKE reactor. J. Radioanal. Chem. 77, 259–278 (1983). https://doi.org/10.1007/BF02522229

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  • DOI: https://doi.org/10.1007/BF02522229

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