Title: Certification of Cobalt in a Nickel Metal Reference Material for Neutron Dosimetry IRMM-521R
Publisher: OPOCE
Publication Year: 2007
JRC N°: JRC32012
ISBN: 92-79-01631-8
ISSN: 1018-5593
Other Identifiers: EUR 22115 EN
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC32012
Type: EUR - Scientific and Technical Research Reports
Abstract: 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.
JRC Directorate:Health, Consumers and Reference Materials

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