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  • The certification of the contents (mass fractions) of chlorobiphenyls IUPAC no 28, 52, 101, 105, 118, 128, 138, 149, 153, 156, 163, 170 and 180 in freshwater harbour sediment: CRM 536


The report describes the preparation, the homogeneity and stability studies and the certification of polychlorobiphenyls, in a freshwater harbour sediment (CRM 536). A description of the analytical methods used for the homogeneity, and stability and the certification studies are summarized and all results are given. The certified values with their uncertainties are given. A brief summary of analytical recommendations emerging from the interlaboratory study is given.

Additional information

Authors: WEGENER J W M, Institute for Environmental Studies, Free University, Amsterdam (NL);COFINO W P, Institute for Environmental Studies, Free University, Amsterdam (NL);MAIER E A, CEC Bruxelles (BE);KRAMER G N, JRC Geel (BE)
Bibliographic Reference: EUR 17799 EN (1997) 82pp., FS, free of charge
Availability: Available from the DG XII Documentation Centre, European Commission, 200 rue de la Loi, B-1049 Bruxelles (BE), Fax: +32-2-2969823
ISBN: ISBN 92-828-1055-0
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