Abstract
Following the expression of the need for an americium (Am) standard and particularly for one with a certified americium-243 (243Am) content, the Commissariat à l’Energie Atomique et aux Energies Alternatives (CEA)/Direction de l’Energie Nucléaire of Marcoule and the European Commission Joint Research Center in Geel carried out a collaborative project for the production of a certified reference material enriched in 243Am. CEA’s Commission d’ETAblissement des Méthodes d’Analyse organized an interlaboratory comparison on this material prior to the issuing of its certificate. The usefulness of an interlaboratory comparison to assess the measurement capabilities in the field and to confirm the provisional certified values for the amount contents of 243Am, 241Am, total Am, the isotopic composition and the molar mass of Am has been demonstrated. Furthermore this interlaboratory comparison enabled to derive an indicative value for the n(242mAm)/n(243Am) isotope amount ratio.
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Acknowledgements
The authors thank all the ILC participants i.e. Karsruhe Institute of Technology (KIT), JRC Karsruhe, Laboratoire d’Analyses d’ATalante (L2AT), Laboratoire de développement Analytique Nucléaire Isotopique et Elémentaire (LANIE), Laboratoire de Valduc, Lawrence Livermore National Laboratory (LLNL), Los Alamos National Laboratory (LANL), Oak Ridge National Laboratory (ORNL).
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Crozet, M., Roudil, D., Maillard, C. et al. Contribution of an interlaboratory comparison to the certification of the STAM/IRMM-0243 243Am reference material. J Radioanal Nucl Chem 319, 717–725 (2019). https://doi.org/10.1007/s10967-018-06404-6
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DOI: https://doi.org/10.1007/s10967-018-06404-6