Preparation and analysis of a reference material for the measurement of oxygen in copper |
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| Authors: | B. Lange H. Kipphardt S. Recknagel K. A. Meier |
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| Affiliation: | Bundesanstalt für Materialforschung und –prüfung (BAM), Labor I.11 ”Metallanalytik”, Richard-Willst?tter-Strasse 11, 12489 Berlin, Germany e-mail: britta.lange@bam.de, DE
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| Abstract: | The preparation and analysis of the oxygen mass fraction of three pure copper reference materials (BAM-379/1, BAM-379/2, BAM-379/3) intended for the calibration of spark emission spectrometry are described here. Data of homogeneity testing and round robin certification in collaboration with 12 independent laboratories from metalworking industry and research are reported. Problems with the establishment of traceability in this special case are discussed. Received: 20 July 2001 Accepted: 13 October 2001 |
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| Keywords: | Determination of oxygen Copper Reference material Certification |
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