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FP7

Certification of the crude protein, fat, lactose and ash content of whole milk powder and the crude protein and fat content of skim milk powder BCR-380R and BCR-685

Funded under: FP7-JRC

Abstract

This report describes the preparation of two milk powder reference materials and the measurement exercises that led to the certification of the content (mass fraction) of the crude protein (Kjeldahl-N x 6.38), fat, lactose and ash in whole milk powder (BCR-380R) and crude protein (Kjeldahl-N x 6.38) and fat in skim milk powder (BCR-685).
The certified values are presented in Tables I and II. The results of the certification exercise, which involved material characterisation by a collaborative study involving several experienced European laboratories, are presented and discussed. Uncertainties were calculated in compliance with the Guide to the Expression of Uncertainty in Measurement (GUM) [1]. The stated uncertainties include contributions regarding the results of the characterisation measurements and uncertainties due to potential inhomogeneity and potential instability of the materials. The values carried by the certified reference materials are traceable to methods standardised by the International Dairy Federation (IDF), the International Organization for Standardization (ISO) and AOAC International.

Additional information

Authors: STANISZEWSKA M et al, European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (BE)
Bibliographic Reference: EUR 23215 EN (2008), 44 pp. 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-info@ec.europa.eu or Bruxelles (BE) Tel: +32 2 295 76 24 Fax: +32 2 299 63 22
ISBN: ISBN: 978-92-79-08204-7
Record Number: 200819703 / Last updated on: 2008-03-20
Category: PUBLICATION
Original language: en
Available languages: en