Compton suppression spectrometry for analysis of short-lived neutron activation products in foods

D. Anderson; W. Cunningham

doi:10.1007/s10967-007-0404-x

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 276: Issue 1

Compton suppression spectrometry for analysis of short-lived neutron activation products in foods

Authors:

D. Anderson

D. Anderson U. S. Food and Drug Administration Elemental Research Branch (HFS-338) 5100 Paint Branch Parkway College Park MD 20740-3835 USA

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W. Cunningham

W. Cunningham U. S. Food and Drug Administration Elemental Research Branch (HFS-338) 5100 Paint Branch Parkway College Park MD 20740-3835 USA

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Pages:: 23–28

Online Publication Date:: 25 Nov 2007

Publication Date:: 01 Apr 2008

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-007-0404-x

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Abstract

Compton suppression spectrometry was used to analyze foods for elements with short-lived neutron activation products (half-lives of about 2 minutes to 1.5 days). Analysis conditions were optimized to provide quality assurance analyses for iodine in FDA’s Total Diet Study. Iodine mass fractions (0.075 to 2.03 mg/kg) were measured in 19 of 42 foods analyzed, with limits of detection (LODs) ranging from 0.03 to 1.4 mg/kg, mostly depending on NaCl content. LODs were lowered by up to a factor of 2 for 16 elements. Suppression factors ranged from about 2 to 8 over the energy range 400 to 3200 keV.

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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)