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Quantitative chemical microdetermination of beryllium with chrome azurol by the ring-oven technique

Quantitative Mikrobestimmung von Beryllium mit Chromazurol auf dem Ringofen

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Summary

A method for determination of beryllium in minerals and rocks is described. Because of the toxicity of beryllium the method is designed for determination of 1–10 ng of Be. The sample is fused with sodium carbonate and sodium tetraborate. Interfering metals are masked with EDTA. Be is determined by the Weisz ring-oven method with Chrome Azurol. The relative error is 10%.

Zusammenfassung

Eine Methode für die Bestimmung des Berylliums in Mineralien und Gesteinen wurde beschrieben. Wegen der Giftigkeit des Berylliums wurde die Methode für die Bestimmung von nur 1–10 ng Be ausgearbeitet. Die Probe wird mit Natriumcarbonat und Natriumtetraborat geschmolzen. Die Maskierung mit EDTA beseitigt die Störungen seitens fast aller anderen Metalle. Die Bestimmung wird am Weisz-Ringofen mit Chrom-Azurol durchgeführt. Der relative Fehler ist 10%.

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Authors and Affiliations

  1. Institute of Mineralogy, University of Copenhagen, Copenhagen, Denmark

    Niels B. Hansen

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  1. Niels B. Hansen
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Hansen, N.B. Quantitative chemical microdetermination of beryllium with chrome azurol by the ring-oven technique. Mikrochim Acta 78, 133–139 (1982). https://doi.org/10.1007/BF01206699

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  • DOI: https://doi.org/10.1007/BF01206699

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