Journal of Radioanalytical and Nuclear Chemistry

, Volume 167, Issue 1, pp 139–144 | Cite as

Multielement analysis of foods by neutron capture prompt γ-ray activation analysis

  • D. L. Anderson
  • W. C. Cunningham
  • G. H. Alvarez


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.


Inorganic Chemistry Detection Limit Thermal Neutron Irradiation Condition Atomic Emission 
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Copyright information

© Akadémiai Kiadó 1993

Authors and Affiliations

  • D. L. Anderson
    • 1
  • W. C. Cunningham
    • 1
  • G. H. Alvarez
    • 1
  1. 1.Food and Drug AdministrationWashington DC(USA)

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