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Analyses of sea water are performed routinely by a number of organisations to monitor the level of contamination of the marine environment by toxic elements, e.g. heavy metals. To improve and control the quality of such determinations, the Community Bureau of Reference (BCR) organised a series of intercomparisons and a certification campaign, which produced a reference material (CRM 403) certified for its contents of Cd, Cu, Mo, Ni, Pb and Zn. This material was collected in the southern North Sea, carefully prepared (filtered and acidified) and its homogeneity and long term stability verified. This paper presents the certification work performed.

Additional information

Authors: QUEVAUVILLER P, CEC Bruxelles (BE);VERCOUTERE K, CEC Bruxelles (BE);GRIEPINK B, CEC Bruxelles (BE);KRAMER K J M, IMW-TNO, Laboratory for Applied Marine Research, Den Helder (NL);VAN DER VLIES E M, IMW-TNO, Laboratory for Applied Marine Research, Den Helder (NL)
Bibliographic Reference: Article: Marine Pollution Bulletin, Vol. 24 (1992) No. 1, pp. 33-38
Record Number: 199210410 / Last updated on: 1994-12-02
Original language: en
Available languages: en
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