This certification report describes the processing and characterisation of IRMM 521R, a certified reference material (CRM) consisting of a high purity nickel foil with a cobalt content of < 0.26 mg/kg. With a 95 % probability, the cobalt content of samples of IRMM-521R is below this level. The certified level is sufficiently low to make the CRM fit for neutron dosimetry applications. Users of IRMM-521R avoid spectral interference due to cobalt impurities, thus reducing the uncertainty of their dosimetry measurements.
ROEBBEN Gert;
TEIPEL Katharina;
INGELBRECHT Christopher;
LAMBERTY Andree;
2007-11-26
OPOCE
JRC32012
92-79-01631-8,
1018-5593,
EUR 22115 EN,
OP LA-NA-22115-EN-C,
https://publications.jrc.ec.europa.eu/repository/handle/JRC32012,
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