Development and intercomparison of a reusable radon-in-water standard

Development and intercomparison of a reusable radon-in-water standard

Radium-free standards are not readily available for proficiency testing of laboratories that conduct radon ( 222Rn) analyses of water. For this study, 33 identical, reusable, radon-in-water standards were prepared using a 226Ra-loaded filter sandwiched in polyethylene sheeting. The 222Rn concentrati...

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Veröffentlicht in:Radiation measurements 2010-02, Vol.45 (2), p.231-233
Hauptverfasser: Kitto, M.E., Menia, T.A., Bari, A., Fielman, E.M., Haines, D.K.
Format: Artikel
Sprache:eng
Schlagworte:
226Ra
Counting
Earth sciences
Earth, ocean, space
Emission
Engineering and environment geology. Geothermics
Exact sciences and technology
Geochronology
Governments
Intercomparison
Isotope geochemistry. Geochronology
Liquid scintillation
Liquids
Pollution, environment geology
Radiation measurement
Radon
Reusable
Standard deviation
Water
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Beschreibung
Zusammenfassung:Radium-free standards are not readily available for proficiency testing of laboratories that conduct radon ( 222Rn) analyses of water. For this study, 33 identical, reusable, radon-in-water standards were prepared using a 226Ra-loaded filter sandwiched in polyethylene sheeting. The 222Rn concentrations in the 226Ra-free standards were measured by liquid scintillation counting and compared to 10 reference solutions containing 226Ra. The 222Rn concentrations measured in the standards were consistent (standard deviation of
ISSN:1350-4487
1879-0925
DOI:10.1016/j.radmeas.2010.02.002