ArticleApplied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine2016
Long-term stability of carrier-added (68)Ge standardized solutions.
Article in Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Two determinations of the Ge-68 half-life.Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine · 2018Article
- Results of an international comparison of activity measurements ofApplied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine · 2018Article
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Authors and funding
4 authors.
Funding
Abstract
Tests for chemical stability were carried out on carrier-added (68)Ge solutions prepared and calibrated in 2007 and 2011 to evaluate the suitability of the specific composition as a potential Standard Reference Material. Massic count rates of the stored solutions were measured using a NaI(Tl) well counter before and after gravimetric transfers. The present activity concentration of the 2007 solution was also measured using live-timed anticoincidence counting (LTAC) and compared to the 2007 calibrated value. The well counter data indicated no change in massic count rate to within uncertainties for either solution. The LTAC measurements gave a difference of -0.49% in the activity concentration 2007 solution over 7 years. However, the uncertainty in the decay correction over that time, due to the uncertainty in the (68)Ge half-life, accounted for the majority (0.67% out of 0.83%) of the standard uncertainty on the activity concentration. The results indicate that these carrier-added solutions are stable with regard to potential activity losses over several half-lives of (68)Ge.
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