INAA with gamma-gamma coincidence for selenium determination in food

A. Di Piero; M. Bacchi; E. Fernandes

doi:10.1007/s10967-008-1607-5

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 278: Issue 3

INAA with gamma-gamma coincidence for selenium determination in food

Authors:

A. Di Piero

A. Di Piero Universidade de São Paulo Centro de Energia Nuclear na Agricultura Caixa Postal 96 13400-970 Piracicaba Brazil

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M. Bacchi

M. Bacchi Universidade de São Paulo Centro de Energia Nuclear na Agricultura Caixa Postal 96 13400-970 Piracicaba Brazil

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E. Fernandes

E. Fernandes Universidade de São Paulo Centro de Energia Nuclear na Agricultura Caixa Postal 96 13400-970 Piracicaba Brazil

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Pages:: 761–765

Online Publication Date:: 28 Nov 2008

Publication Date:: 01 Dec 2008

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-008-1607-5

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Abstract

Selenium detection limits of INAA are normally above its concentration in most biological materials. Gamma-gamma coincidence methodology can be used to improve the detection limits and uncertainties in the determination of selenium. Here, some edible parts of plants were measured using a HPGe detector equipped with a NaI(Tl) active shielding, producing spectra both in normal and coincidence modes. The results presented the reduction of the detection limits of selenium by a factor of 2 to 3 times and improvement in the uncertainty of up to 2 times.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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)