Title: The Additional Certification of the Pb Mass Fraction in BCR-320R (Channel Sediment)
Authors: VENELINOV ToniHELD Andrea
Publisher: European Commission
Publication Year: 2009
JRC N°: JRC54621
ISBN: 978-92-79-13624-5
ISSN: 1018-5593
Other Identifiers: EUR 24009 EN
OPOCE LA-NA-24009-EN-C
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC54621
DOI: 10.2787/16519
Type: EUR - Scientific and Technical Research Reports
Abstract: This report describes the additional certification of Pb in BCR-320R (channel sediment). This material has already been certified for its total trace element content (As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni Sc, Th, Tl, U, V and Zn. Indicative values have been established for Se and Sn). Difficulties with the characterisation of Pb made an additional certification necessary. During the first characterisation exercise in 2002, a result for Pb obtained by one of the participating laboratories significantly differed from the rest, but no reasons were found to reject the result obtained. Therefore a decision was taken to use completely different laboratories for the present characterisation.
JRC Institute:Institute for Reference Materials and Measurements

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