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  • The Certification of Reference Materials of Dry-Mixed Maize Powder with different Mass Fractions of MON 863 Maize Certified Reference Materials IRMM-416 (IRMM-416-0/IRMM-416-1/IRMM-416-2/IRMM-416-3)

Abstract

This report describes the preparation of a cocoa butter reference material and the measurement exercises that led to the certification of the content (relative mass fraction) of five triglycerides (1,3-dipalmitoyl-2-oleoyl-glycerol (POP), 1-palmitoyl-2-oleoyl-3-stearoyl-glycerol (POS), 1-palmitoyl-2,3-dioleoyl-glycerol (POO), 1,3-distearoly-2-oleoyl-glyerol (SOS) and 1-stearoyl-2,3-dioleoyl-glycerol (SOO)). The content of the five triglycerides (TGs) has been normalised to 100 g.
The certified relative mass fractions are presented in Table I. The results of the certification exercise, which involved 14 European laboratories, are presented and discussed. Uncertainties were calculated in compliance with the Guide to the Expression of Uncertainty in Measurement (GUM) including uncertainties due to possible inhomogeneity and possible instability. In addition, indicative values (area percentages) for all identified TGs are given in Table II (sum of certified and non-certified TGs = 98.96 %).
The minimum sample intake recommended for analysis is 100 mg.

Additional information

Authors: TRAPMANN S, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE);CHAROUD-GOT J, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE);CONNEELY P, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE);CONTRERAS M, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE);CORBISIER P, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE);GANCBERG D, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE);HANNES E, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE);GIORIA S, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE);MUÑOZ-PINEIRO A, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE);VAN NYEN M, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE);SCHIMMEL H, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE);SZILAGY S, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE);EMONS H, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE)
Bibliographic Reference: EUR 21574 EN (2005), 15pp. Free of charge
Availability: Available from European Commission, JRC Knowledge Management Unit, Ispra (IT) Tel: +39 033278 9893 Fax: +39 033278 5409 E-mail: jrc-publications-office@ec.europa.eu or Bruxelles (BE) Tel: +32 2 295 76 24 Fax: +32 2 299 63 22
ISBN: ISBN: 92-894-9195-7
Record Number: 200518321 / Last updated on: 2005-09-23
Category: PUBLICATION
Original language: en
Available languages: en