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Development of a low-level 39Ar calibration standard - Analysis by absolute gas counting measurements augmented with simulation.
Williams, R M; Aalseth, C E; Brandenberger, J M; Day, A R; Finn, E; Fuller, E S; Hoppe, E W; Humble, P H; Keillor, M E; Mace, E K; Myers, A W; Overman, C T; Panisko, M E; Seifert, A; White, S K.
Afiliação
  • Williams RM; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA. Electronic address: Richard.Williams@pnnl.gov.
  • Aalseth CE; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
  • Brandenberger JM; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
  • Day AR; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
  • Finn E; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
  • Fuller ES; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
  • Hoppe EW; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
  • Humble PH; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
  • Keillor ME; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
  • Mace EK; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
  • Myers AW; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
  • Overman CT; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
  • Panisko ME; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
  • Seifert A; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
  • White SK; Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA.
Appl Radiat Isot ; 126: 243-248, 2017 Aug.
Article em En | MEDLINE | ID: mdl-28236555
ABSTRACT
This paper describes the generation of 39Ar, via reactor irradiation of potassium carbonate, followed by quantitative analysis (length-compensated proportional counting) to yield two calibration standards that are respectively 50 and 3 times atmospheric background levels. Measurements were performed in Pacific Northwest National Laboratory's shallow underground counting laboratory studying the effect of gas density on beta-transport; these results are compared with simulation. The total expanded uncertainty of the specific activity for the ~50× 39Ar in P10 standard is 3.6% (k=2).
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Prognostic_studies Idioma: En Revista: Appl Radiat Isot Ano de publicação: 2017 Tipo de documento: Article
Texto completo
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Prognostic_studies Idioma: En Revista: Appl Radiat Isot Ano de publicação: 2017 Tipo de documento: Article