Primary standardisation of technetium-99m by liquid scintillation coincidence counting

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dc.contributor.authorvan Wyngaardt, WMen_AU
dc.contributor.authorTobin, SMen_AU
dc.contributor.authorLee, Sen_AU
dc.contributor.authorSmith, MLen_AU
dc.contributor.authorJackson, TWen_AU
dc.contributor.authorIlter, Jen_AU
dc.contributor.authorHowe, Ben_AU
dc.contributor.authorSarbutt, Aen_AU
dc.date.accessioned2021-11-15T04:47:18Zen_AU
dc.date.available2021-11-15T04:47:18Zen_AU
dc.date.issued2020-02en_AU
dc.date.statistics2021-11-12en_AU
dc.description.abstractTechnetium-99m was standardised by the 4π(LS)ce-γ coincidence extrapolation method. Sensitivity of the 4π(LS) channel to two types of radiation, namely conversion electrons and γ-rays, resulted in incorrect activity values being obtained when this was not adequately accounted for. Measurements were more robust when the LS detection efficiency was optimised, and when a γ-window setting was used that monitored the combined LS efficiency for conversion electrons and γ-rays. The primary standard was internationally compared through participation in the BIPM.RI(II)-K4.Tc99m key comparison. © 2019 Elsevier Ltden_AU
dc.identifier.articlenumber108935en_AU
dc.identifier.citationvan Wyngaardt, W. M., Tobin, S. M., Lee, S., Smith, M. L., Jackson, T. W., Ilter, J., Howe, B. & Sarbutt, A. (2020). Primary standardisation of technetium-99m by liquid scintillation coincidence counting. Applied Radiation and Isotopes, 156, 108935. doi:10.1016/j.apradiso.2019.108935en_AU
dc.identifier.issn0969-8043en_AU
dc.identifier.journaltitleApplied Radiation and Isotopesen_AU
dc.identifier.urihttps://doi.org/10.1016/j.apradiso.2019.108935en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/12252en_AU
dc.identifier.volume156en_AU
dc.language.isoenen_AU
dc.publisherElsevier B. V.en_AU
dc.subjectTechnetium 99en_AU
dc.subjectLiquid scintillatorsen_AU
dc.subjectScintillation countingen_AU
dc.subjectDiagnostic techniquesen_AU
dc.subjectOPAL Reactoren_AU
dc.subjectMeasuring instrumentsen_AU
dc.subjectElectronsen_AU
dc.titlePrimary standardisation of technetium-99m by liquid scintillation coincidence countingen_AU
dc.typeJournal Articleen_AU
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