Analysis of foods for iodine by epithermal neutron activation analysis

W. Stroube; W. Cunningham; G. Lutz

doi:10.1007/bf02132366

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 112: Issue 2

Analysis of foods for iodine by epithermal neutron activation analysis

Authors:

W. Stroube

W. Stroube Food and Drug Administration 200 C Street S. W. 20204 Washington, DC (USA)

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W. Cunningham

W. Cunningham Food and Drug Administration 200 C Street S. W. 20204 Washington, DC (USA)

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G. Lutz

G. Lutz National Bureau of Standards 20899 Gaithersburg Maryland (USA)

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Pages:: 341–346

Online Publication Date:: 16 Sep 2005

Publication Date:: 17 May 1987

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02132366

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Abstract

Epithermal-neutron activation analysis (ENAA) was applied to the analysis of foods for iodine. The procedure involves irradiation of wet foods in a boron nitride, vessel, followed by direct counting of the 442.9 keV gamma ray of¹²⁸I without any processing of the sample. Three research reactors were evaluated for use in determining iodine by ENAA. The University of Virginia reactor at Charlottesville was chosen for this study because the reactor facilities minimized thermal heating of the boron nitride vessel, enabling irradiation of larger, more representative analytical portions. Iodine concentrations ranging from <0.003 to 0.74 g/g are reported for 17 different food matrices.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)