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Determination of iodine in Asian diets by epithermal and radiochemical neutron activation analysis

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Abstract

Samples of diets from China, Japan, Korea, India, Pakistan and Philippines were analyzed using epithermal and radiochemical neutron activation analysis (ENAA and RNAA, respectively) within the framework of the IAEA project “Reference Asian Man”. The RNAA procedure was based on alkaline-oxidative fusion followed by extraction of elemental iodine in chloroform. The analytical methods employed are discussed in terms of detection limits and uncertainties of the results obtained. For quality control purposes a number of NIST biological reference materials, namely diets and foods were analyzed. Results for the diet samples indicate that achieving the WHO recommended daily allowance for iodine may be a problem in most of the above given countries.

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Authors and Affiliations

  1. Nuclear Physics Institute, CZ-250 68, Řež near Prague, Czech Republic

    J. Kučera & Z. Řanda

  2. International Atomic Energy Agency Wagramer Strasse 5, A-1400, Vienna, Austria

    G. V. Iyengar & R. M. Parr

Authors
  1. J. Kučera
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  2. G. V. Iyengar
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  3. Z. Řanda
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  4. R. M. Parr
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Kučera, J., Iyengar, G.V., Řanda, Z. et al. Determination of iodine in Asian diets by epithermal and radiochemical neutron activation analysis. Journal of Radioanalytical and Nuclear Chemistry 259, 505–509 (2004). https://doi.org/10.1023/B:JRNC.0000020927.30825.bd

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  • DOI: https://doi.org/10.1023/B:JRNC.0000020927.30825.bd

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