Maple syrup analysis for137Cs, K, and B, using a low-background counting system and PGAA

D. Anderson; W. Cunningham

doi:10.1007/bf02038434

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 194: Issue 2

Maple syrup analysis for¹³⁷Cs, K, and B, using a low-background counting system and PGAA

Authors:

D. Anderson

D. Anderson Food and Drug Administration, Elemental Research Branch (HFS-338) 200 C St., SW 20204 Washington, DC USA

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W. Cunningham

W. Cunningham Food and Drug Administration, Elemental Research Branch (HFS-338) 200 C St., SW 20204 Washington, DC USA

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Pages:: 351–357

Online Publication Date:: 14 Aug 2005

Publication Date:: 17 Jul 1995

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02038434

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Abstract

Fifteen maple syrups were analyzed for¹³⁷Cs and K (via⁴⁰K) by using a low-background -ray counting system, and for B and K by using neutron capture prompt -ray activation analysis (PGAA). For low-background -ray counting, 3 limits of detection (24-hour counts) were 0.03 Bq¹³⁷Cs/kg and 10 mg K/kg for 3.5-L portions and 0.08 Bq¹³⁷Cs/kg and 20 mg K/kg for 1.0-L portions. K concentrations determined by the two methods (using 2-g portions for PGAA) were in excellent agreement. The products were obtained in 1991, with one produced in Maryland, three in New York, four in Pennsylvania, two in New Hampshire, and five in Canada. The average activity concentration for Canadian syrups (2.8 Bq¹³⁷Cs/kg) was nearly a factor of 20 greater than the average (0.15 Bq¹³⁷Cs/kg) for the other syrups, but all¹³⁷Cs activity concentrations were at least 100 times lower than those for which controls would be recommended according to Federal Radiation Council guidance. The data exhibited distinct groupings related to the sources of the products when the ratios of¹³⁷Cs activity to K content (Bq_Cs/mg_K) were plotted vs. B concentrations.

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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)