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A group of laboratories has worked in various intercomparisons in the frame of the BCR programme to improve their methods for fluorine determination, especially for coal analysis. These exercises allowed the detection and removal of sources of error. Methods were improved to such an extent that the certification of fluorine and chlorine in different materials could be envisaged and the BCR consequently decided to produce coal, fly ash and clay materials certified for their F content. In addition, chlorine was certified in the fly ash CRM.

Additional information

Authors: QUEVAUVILLER P, European Commission, Bruxelles (BE);GRIEPINK B, European Commission, Bruxelles (BE);VAN DER STAAK H, KEMA NV, Arnhem (NL);VAN LOENEN D, KEMA NV, Arnhem (NL);LINGERAK W, ECN, Petten (NL)
Bibliographic Reference: Article: Fresenius' Journal of Analytical Chemistry, Vol. 350 (1994) pp. 101-108
Record Number: 199530056 / Last updated on: 1995-02-07
Original language: en
Available languages: en
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