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  • Recertification of the number of colony forming particles of enterococcus faecium in 1ml suspension of reconstituted artificially contaminated milk powder


This report describes the (re)certification study of a batch of microbiological reference material containing Enterococcus faecium. The batch was already certified in a former study in 1992. The same batch was recertified because of a seeming increase of the mean number of z, observed from the results of the stability studies.

Additional information

Authors: IRMM, ;JRC-GEEL (BE),
Bibliographic Reference: EUR 19281 EN (1999), 68pp.
Availability: Available free of charge by Documentation Service, Research DG: Fax +32 2 29 58220
ISBN: ISBN 92-828-7905-4
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