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Atomabsorptionsmessungen von Blei, Cadmium, Kupfer, Eisen und Zink im Seston der Ostsee

Atomic absorption measurements of lead, cadmium, copper, iron and zinc in seston of the Baltic Sea

Helgoländer wissenschaftliche Meeresuntersuchungen volume 28, pages 206–216 (1976)Cite this article

Abstract

During a cruise with R. V. “Alkor” from Kiel Bight to Finnish Bay, nearly 100 seston samples were taken during April/May 1973. Samples from the 23 stations were analyzed for lead, cadmium, copper, iron and zinc by flameless atomic absorption spectrometry. The mean values for lead and cadmium were 123 and 5.8 ppm, respectively; for zinc, 733 ppm, for copper, 61 ppm, and for iron, 3535 ppm. In contrast to trace-metal analyses of off shore seston, the concentrations for lead and cadmium in Baltic-Sea seston are very high; these results are in good agreement with analyses of the dissolved metals. The concentrations of zinc, copper and iron in the particulate matter from the Baltic-Sea, apart from some local influences, agree well with values published from the concentrations in off shore seston. The distribution and variation of the individual values are discussed. The method for analysing the metals and its precision are briefly described.

Zusammenfassung

1. Auf einer Forschungsfahrt in die Ostsee im April/Mai 1973 wurden 100 Sestonproben entnommen und auf ihren Gehalt an Blei, Cadmium, Zink, Kupfer und Eisen mit Hilfe der flammenlosen Atom-Absorptions-Spektrometrie analysiert.

2. Die mittlere Konzentration im Seston der Ostsee beträgt für Blei 123 ppm, für Cadmium 5,8 ppm, für Zink 300 ppm, für Kupfer 61 ppm und für Eisen 3535 ppm.

3. Im Vergleich zu Metallanalysen ozeanischen Sestons müssen die Blei- und Cadmiumkonzentrationen als stark überhöht angesehen werden.

4. Die Konzentrationen des partikulär gebundenen Eisens, Zinks und Kupfers können bis auf lokal stark erhöhte Eisen- und Zinkkonzentrationen als natürlich angesehen werden.

5. Arbeitsweise und Meßgenauigkeit der Metallanalytik werden beschrieben.

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  1. Biologische Anstalt Helgoland (Meeresstation), Helgoland, Bundesrepublik Deutschland

    H. -P. Weigel

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Weigel, H.P. Atomabsorptionsmessungen von Blei, Cadmium, Kupfer, Eisen und Zink im Seston der Ostsee. Helgolander Wiss. Meeresunters 28, 206–216 (1976). https://doi.org/10.1007/BF01610354

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Helgoland Marine Research

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