Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 278: Issue 3
Determination of silver in biological reference materials by neutron activation analysis
Authors:
J. Mizera Academy of Sciences of the Czech Republic Nuclear Physics Institute 250 68 Řež near Prague Czech Republic

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Z. Řanda Academy of Sciences of the Czech Republic Nuclear Physics Institute 250 68 Řež near Prague Czech Republic

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J. Kučera Academy of Sciences of the Czech Republic Nuclear Physics Institute 250 68 Řež near Prague Czech Republic

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Pages:
599–602
Online Publication Date:
28 Nov 2008
Publication Date:
01 Dec 2008
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10967-008-1101-0
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Abstract  

Silver in selected, predominantly biological, reference materials (NIST SRM 1515, 1547, 1549, 1566a, 1571, 1577b, 2704, CTA-OTL-1, and Bowen’s Kale) was determined using neutron activation analysis (NAA) in two different analytical modes: instrumental NAA with epithermal neutrons (ENAA), and NAA with radiochemical separation (RNAA). The ENAA mode was based on long-time 5-hour irradiation of samples in a special Cd lined box with counting after 8-month decay. The RNAA procedure consisted in 20-hour irradiation of samples, their decomposition/dissolution by alkaline-oxidative fusion, and precipitation of AgCl including several purification steps. Both methods provided Ag contents in the analyzed reference materials consistent with certified and/or literature values down to the ng·g−1 level.

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Cover Journal of Radioanalytical and Nuclear Chemistry
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)

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