Measurement of liquid scintillation sources of (210)Pb obtained from (222)Rn decay

Liquid scintillation samples were filled with (222)Rn and the activity was measured with good precision after reaching the secular equilibrium with the progeny (218)Po, (214)Pb, (214)Bi and (214)Po. After decay of most of (222)Rn activity, the samples contain (210)Pb and progeny. The activities of (...

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Bibliographic Details
Published inApplied radiation and isotopes Vol. 109; pp. 286 - 289
Main Authors Antohe, A, Sahagia, M, Luca, A, Ioan, M-R, Ivan, C
Format Journal Article
LanguageEnglish
Published England 01.03.2016
Subjects
Pb–Po radioactive chain
Liquid scintillation counting
Standard source
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Summary:Liquid scintillation samples were filled with (222)Rn and the activity was measured with good precision after reaching the secular equilibrium with the progeny (218)Po, (214)Pb, (214)Bi and (214)Po. After decay of most of (222)Rn activity, the samples contain (210)Pb and progeny. The activities of (210)Pb and progeny can be calculated as a function of time using the initial (222)Rn activity. The samples were measured in a TDCR counter and the experimentally determined counting efficiencies are in accordance with previously published results.
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ISSN:1872-9800
DOI:10.1016/j.apradiso.2015.12.020