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Certification of the mass fractions of vitamins in whole milk powder
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Certification of the mass fractions of vitamins in whole milk powder

Certified reference materials ERM®-BD600

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This report describes the production of the reference material ERM-BD600, a whole milk powder certified for the mass fractions of water- and fat-soluble vitamins. All the required steps during the production were conducted according to ISO Guides 34 and 35 [1,2] to ensure the high quality of the final product, including matrix material processing, homogeneity and stability studies and value assignment. The matrix material, a spray dried whole milk powder, was packed into sachets containing approximately 100 g of powder, and stored at -30 ºC. Dedicated studies confirmed the homogeneity and stability of the vitamins in the milk powder under the conditions evaluated. The characterisation of the material, organised and coordinated by IRMM, was done by an inter-laboratory comparison. The certified and indicative values were obtained as the unweighted mean of the laboratory means of the accepted sets of results for each analyte, and the expanded uncertainty associated (k = 2) includes contributions from the homogeneity, the long term stability and the characterisation of the material.
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ISSN 1831-9424
ISBN 978-92-79-21045-7
DOI 10.2787/50186
Número de catálogo LA-NA-24924-EN-N
ISSN 1018-5593
ISBN 978-92-79-21044-0
DOI 10.2787/49963
Número de catálogo LA-NA-24924-EN-C
PDF
ISSN 1831-9424 ISBN 978-92-79-21045-7 DOI 10.2787/50186 Número de catálogo LA-NA-24924-EN-N
Impreso
ISSN 1018-5593 ISBN 978-92-79-21044-0 DOI 10.2787/49963 Número de catálogo LA-NA-24924-EN-C
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