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Gas-chromatographische Trennung der Edelmetalle Au, Pt, Pd, Rh und Ir als Bis(trifluoroethyl)-dithiocarbamato-Chelate

Gas-chromatographic separation of the precious metals Au, Pt, Pd, Rh and Ir as bis(trifluoroethyl)-dithiocarbamate chelates

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Summary

The gas-chromatographic conditions for the separation and determination of the precious metals Au, Pt, Pd, Rh and Ir as bis(trifluoroethyl)-dithiocarbamate chelates were ascertained. Best results were obtained with a (1000 mm×2 mm i.d.)-glas column packed with 3% OV-3 on Chromosorb G-AW-DMCS. Using the ECD, precious metal concentrations of the lower ppb-range can be determined.

Zusammenfassung

Die Bedingungen für die gas-chromatographische Trennung und Bestimmung der Edelmetalle Au, Pt, Pd, Rh und Ir als Bis(trifluoroethyl)-dithiocarbamato-Chelate wurden untersucht. Die besten Trennergebnisse lieferte eine (1000 mm×2 mm i.d.)-Glassäule mit 3% OV-3 auf Chromosorb G-AW-DMCS. Mit dem ECD konnten Edelmetallkonzentrationen im unteren ppb-Bereich erfaßt werden.

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Authors and Affiliations

  1. Institut für Geowissenschaften FB 22, Lehreinheit Mineralogie, Johannes Gutenberg-Universität, Saarstr. 21, D-6500, Mainz 1, Bundesrepublik Deutschland

    K. Kritsotakis & H. J. Tobschall

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  1. K. Kritsotakis
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  2. H. J. Tobschall
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Die Untersuchungen wurden durch Mittel der Deutschen Forschungsgemeinschaft (Kr 590/11-1) unterstützt.

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Kritsotakis, K., Tobschall, H.J. Gas-chromatographische Trennung der Edelmetalle Au, Pt, Pd, Rh und Ir als Bis(trifluoroethyl)-dithiocarbamato-Chelate. Z. Anal. Chem. 320, 152–155 (1985). https://doi.org/10.1007/BF00488679

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  • DOI: https://doi.org/10.1007/BF00488679

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