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Large-sample neutron activation analysis in mass balance and nutritional studies

  • Albert Van de Wiel (a1) and Menno Blaauw (a2)
Abstract

Low concentrations of elements in food can be measured with various techniques, mostly in small samples (mg). These techniques provide only reliable data when the element is distributed homogeneously in the material to be analysed either naturally or after a homogenisation procedure. When this is not the case or homogenisation fails, a technique should be applied that is able to measure in samples up to grams and even kilograms and regardless of the distribution of the element. An adaptation of neutron activation analysis (NAA), called large-sample NAA, has been developed and proven accurate and may be an attractive alternative in food research and mass balance studies. Like standard NAA, large-sample NAA can be used to measure both toxic and trace elements relevant for nutrition.

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Copyright
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
Corresponding author
*Corresponding author: Albert Van de Wiel, email a.vandewiel@tudelft.nl
References
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1.Yagob Mohamed, TI (2016) Iron studies in man using instrumental neutron activation analysis and enriched stable activatable isotopes. PhD Thesis, Delft University of Technology (TU Delft), Delft, the Netherlands.
2.Pollard, AM & Heron, C (editors) (1996) Archaeological Chemistry. Cambridge: Royal Society of Chemistry.
3.Greenberg, RR, Bode, P & De Nadai Fernandes, EA (2011) Neutron activation analysis; a primary method of measurement. Spectrochim Acta B66, 193241.
4.Blaauw, M & Bode, P (1993) Introduction of the k-1 concept for the interpretation of artificial peaks in k-0 based NAA. J Radioanal Nucl Chem 169, 201208.
5.Overwater, RMW, Bode, P, de Goeij, JJM, et al. (1996) Feasibility of elemental analysis of kilogram-size samples by neutron activation analysis. Anal Chem 68, 341348.
6.Yagob, T, Bode, P, Van de Wiel, A, et al. (2017) Mass balance studies of iron without the need of subsampling using large sample neutron activation analysis. Trace Elem Med 18, 2833.
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Journal of Nutritional Science
  • ISSN: 2048-6790
  • EISSN: 2048-6790
  • URL: /core/journals/journal-of-nutritional-science
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