Development of the Australian Standard for Germanium-68 by two Liquid Scintillation Counting methods.
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| Title: | Development of the Australian Standard for Germanium-68 by two Liquid Scintillation Counting methods. |
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| Authors: | van Wyngaardt, W.M.1 freda.vanwyngaardt@ansto.gov.au, Smith, M.L.1, Jackson, T.W.1, Howe, B.1, Tobin, S.M.1, Reinhard, M.I.1 |
| Source: | Applied Radiation & Isotopes. Apr2018, Vol. 134, p79-84. 6p. |
| Subjects: | Germanium isotopes, Liquid scintillation counting, Metals in medicine, Nuclear medicine, Equilibrium |
| Abstract: | In response to the increasing application of 68 Ge/ 68 Ga and 68 Ga in nuclear medicine, an international comparison of activity measurement of 68 Ge in equilibrium with 68 Ga was organised. ANSTO standardised the comparison solution by the 4π(LS)β + -γ coincidence extrapolation and TDCR efficiency calculation methods, with excellent agreement between the two results. The primary standard was transferred to the ANSTO Secondary Standard Ionisation Chamber. Internationally traceable Australian Certified Reference Materials (ACRMs) of 68 Ge/ 68 Ga can now be prepared in various measurement geometries applied in nuclear medicine. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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