Author： Pham M. Betti M. Povinec P. Alfimov V. Biddulph D. Gastaud J. Kieser W. López Gutiérrez J. Possnert G. Sanchez-Cabeza J. Suzuki T.
Publisher： Springer Publishing Company
ISSN： 0236-5731
Source： Journal of Radioanalytical and Nuclear Chemistry, Vol.286, Iss.1, 2010-10, pp. : 121-127
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Abstract
A certified reference material designed for the determination of 129I in seawater, IAEA-418 (Mediterranean Sea water) is described and the results of certification are presented. The median of 129I concentration with 95% confidence interval was chosen as the most reliable estimates of the true value. The median, given as the certified value, is 2.28 × 108 atom L−1 (95% confidence interval is (2.16–2.73) 108 atom L−1), or 3.19 × 10−7 Bq L−1 (95% confidence interval is (3.02–3.82) × 10−7 Bq L−1). The material is intended to be used for standardization procedures applied in accelerator mass spectrometric laboratories. It is available in 1 L units and may be ordered via IAEA web side (
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