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Analyses of plants are routinely performed by a number of organisations to determine elements of nutritive importance and of potential toxicity, e.g. heavy metals. To control the quality of such determinations, the Community Bureau of Reference has produced a series of reference materials certified for a wide variety of elements which are summarised in this paper. The last plant material produced is a white clover (CRM 402), certified for its contents of As, Co, Mo and Se. The material was collected on a field with Se-rich and poorly drained soils, carefully prepared, and its homogeneity and long-term stability were verified. This paper reports on the certification work performed.

Additional information

Authors: QUEVAUVILLER P, CEC Bruxelles (BE);VERCOUTERE K, CEC Bruxelles (BE);GRIEPINK B, CEC Bruxelles (BE)
Bibliographic Reference: Article: Analytica Chimica Acta, Vol. 259 (1992), pp. 281-288
Record Number: 199210863 / Last updated on: 1994-12-02
Original language: en
Available languages: en
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