Abstract
A method is described for the determination of H, B, Cl, K, Na, S, Ca, and Cd in foods using in-beam neutron capture prompt γ-ray activation analysis. Special calibration procedures were necessary because of matrix-related thermal neutron scattering-induced sensitivity and background enhancements. Detection limits and sensitivities are presented for best-case and worst-case irradiation conditions. The method was applied to multielement analysis of 41 foods and to B, Cl, and K analysis of 13 orange juice produts in conjunction with analysis by inductively coupled plasma atomic emission spectrometry. The purpose of the latter application was to study B losses during acid digestion.
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Anderson, D.L., Cunningham, W.C. & Alvarez, G.H. Multielement analysis of foods by neutron capture prompt γ-ray activation analysis. Journal of Radioanalytical and Nuclear Chemistry, Articles 167, 139–144 (1993). https://doi.org/10.1007/BF02035473
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DOI: https://doi.org/10.1007/BF02035473