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Cr(III) and Cr(VI) speciation measurements in environmental reference materials

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Abstract

The production of reference materials for quality control of Cr(III) and Cr(VI) speciation in environmental samples is described. It concerns in the first place two lyophilized solutions containing Cr(III) and Cr(VI) at different concentrations, respectively representative for drinking water and filter leaching solutions, and in the second place filters loaded with welding dust. Twenty-four laboratories with experience in the field participated in an intercomparison exercise organized to validate the suitability of the reference materials and to gauge the state-of-the-art of Cr speciation throughout Europe. The outcome of this exercise is discussed.

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Authors and Affiliations

  1. Laboratory of Analytical Chemistry, University of Gent, Proeftuinstraat 86, B-9000, Gent, Belgium

    Kristien Vercoutere, Rita Cornelis, Steen Dyg & Louis Mees

  2. National Institute of Occupational Health, Copenhagen, Denmark

    Jytte Molin Christensen, Kirsten Byrialsen & Benny Aaen

  3. European Commission, Standards, Measurements and Testing Programme (formerly BCR), Brussels, Belgium

    Philippe Quevauviller

Authors
  1. Kristien Vercoutere
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  2. Rita Cornelis
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  3. Steen Dyg
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  4. Louis Mees
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  5. Jytte Molin Christensen
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  6. Kirsten Byrialsen
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  7. Benny Aaen
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  8. Philippe Quevauviller
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Vercoutere, K., Cornelis, R., Dyg, S. et al. Cr(III) and Cr(VI) speciation measurements in environmental reference materials. Mikrochim Acta 123, 109–117 (1996). https://doi.org/10.1007/BF01244384

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  • DOI: https://doi.org/10.1007/BF01244384

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