Title: The Certification of the Mass Fractions of Proximates and Essential Elements in Rye Flour and Wheat Flour -- Certified Reference Materials ERM®-BC381 and ERM®-BC382
Authors: BERNREUTHER AlexanderEMTEBORG PerSCHIMMEL HeinzSTANISZEWSKA MariaTEIPEL KatharinaULBERTH Franz
Publisher: Publications Office of the European Union
Publication Year: 2009
JRC N°: JRC56167
ISBN: 978-92-79-14588-9
ISSN: 1018-5593
Other Identifiers: EUR 24118 EN
OPOCE LA-NA-24118-EN-C
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC56167
DOI: 10.2787/21266
Type: EUR - Scientific and Technical Research Reports
Abstract: This report describes the preparation of the rye flour matrix reference materials ERM®BC381 and ERM®-BC382, respectively, and the certification of the contents (mass fractions) of four proximates and four essential elements. All results are expressed as a mass fraction on a dry mass basis. The preparation and processing of the materials, homogeneity studies, stability studies and characterisation are described hereafter and the results are discussed. Uncertainties were calculated in compliance with Guide to the expression of Uncertainty in Measurement (GUM) and include uncertainties due to possible heterogeneity, instability and from characterisation.
JRC Institute:Institute for Reference Materials and Measurements

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