| Quantification of (60)Fe atoms by MC-ICP-MS for the redetermination of the half-life. | |
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MedLine Citation:
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PMID: 23314586 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In many scientific fields, the half-life of radionuclides plays an important role. The accurate knowledge of this parameter has direct impact on, e.g., age determination of archeological artifacts and of the elemental synthesis in the universe. In order to derive the half-life of a long-lived radionuclide, the activity and the absolute number of atoms have to be analyzed. Whereas conventional radiation measurement methods are typically applied for activity determinations, the latter can be determined with high accuracy by mass spectrometric techniques. Over the past years, the half-lives of several radionuclides have been specified by means of multiple-collector inductively coupled plasma mass spectrometry (MC-ICP-MS) complementary to the earlier reported values mainly derived by accelerator mass spectrometry. The present paper discusses all critical aspects (amount of material, radiochemical sample preparation, interference correction, isotope dilution mass spectrometry, calculation of measurement uncertainty) for a precise analysis of the number of atoms by MC-ICP-MS exemplified for the recently published half-life determination of [Formula: see text]Fe (Rugel et al, Phys Rev Lett 103:072502, 2009). |
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Authors:
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Niko Kivel; Dorothea Schumann; Ines Günther-Leopold |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-13 |
Journal Detail:
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Title: Analytical and bioanalytical chemistry Volume: - ISSN: 1618-2650 ISO Abbreviation: Anal Bioanal Chem Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101134327 Medline TA: Anal Bioanal Chem Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Nuclear Energy and Safety, Paul Scherrer Institute (PSI), 5232, Villigen, Switzerland, niko.kivel@psi.ch. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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