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Update of the BIPM comparison BIPM.RI(II)-K1.Cu-64 of activity measurements of the radionuclide64Cu to include the 2009 results of the CMI–IIR (Czech Rep.) and the NPL (UK), the 2010 result of the LNE–LNHB (France) and the 2011 result of the ENEA–INMRI (Italy)

C Michotte, G Ratel, S Courte, J Sochorovà, P Auerbach, J Keightley, L Johansson, E Bakhshandeiar, P Cassette, M Moune, M Capogni, P De Felice
2013 Metrologia  

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Update of the BIPM comparison BIPM.RI(II)-K1.Cu-64 of activity measurements of the radionuclide 64 Cu to include the 2009 results of the CMI-IIR (Czech Rep.) and the NPL (UK), the 2010 result of the LNE-LNHB (France) and the 2011 result of the ENEA-INMRI (Italy) Abstract Since 2009, four national metrology institutes (NMI) have submitted four samples of known activity of 64 Cu to the International Reference System (SIR) for activity comparison at the Bureau International des Poids et Mesures
more » ... PM), with comparison identifier BIPM.RI(II)-K1.Cu-64. The values of the activity submitted were between about 3 MBq and 260 MBq. There are now five results in the BIPM.RI(II)-K1.Cu-64 comparison. A key comparison reference value (KCRV) has been calculated for the first time for this nuclide. The degrees of equivalence between each equivalent activity measured in the SIR and the KCRV have been calculated and the results are given in the form of a table. A graphical presentation is also given.
doi:10.1088/0026-1394/50/1a/06021 fatcat:ppa6lxenwbe7jlp3uvlxl4aexu
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C Michotte, G Ratel, S Courte, J Sochorovà, P Auerbach, J Keightley, L Johansson, E Bakhshandeiar, P Cassette, M Moune, M Capogni, P De Felice. "Update of the BIPM comparison BIPM.RI(II)-K1.Cu-64 of activity measurements of the radionuclide64Cu to include the 2009 results of the CMI–IIR (Czech Rep.) and the NPL (UK), the 2010 result of the LNE–LNHB (France) and the 2011 result of the ENEA–INMRI (Italy)." Metrologia 50.1A (2013) 06021-06021