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Trace metals in sprats from the southern Baltic, 1983

Spurenelemente in Sprotten aus der südlichen Ostsee, 1983

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Zusammenfassung

Es wurden die Konzentration von Cd, Pb, Cu, Zn, Fe, Mn und Ni im Muskelgewebe von 208 Sprotten (Sprattus sprattus) 1983 mit Netz in verschiedenen Regionen der südlichen Ostsee gefangen, mit Hilfe der Atomabsorptionsspektrometrie bestimmt. Mittlere Werte, bezogen auf Frischgewicht: 0,031 mg/kg Cd, 0,10 mg/kg Pb, 0,59 mg/kg Cu, 14 mg/kg Zn, 12 mg/kg Fe, 0,26 mg/kg Mn und 0,23 mg/kg Ni. Der mittlere Gehalt von Cd und Pb in den Sprotten war unter der empfohlenen Toleranzgrenze 0,05–2,0 mg/kg und 0,5–2,0 mg/kg. Ein kleiner Teil der Sprotten enthielt Cd in Konzentration über der Toleranzgrenze von 0,05 mg/kg. Die Ergebnisse wurden mit denen anderer Autoren verglichen.

Summary

The cadmium, lead, copper, zinc, iron, manganese and nickel concentrations have been determined in muscle tissue of 208 sprats (Sprattus sprattus) netted in 1983 in different regions in the southern part of the Baltic Sea. The method of measurement was atomic absorption spectrophotometry. The mean values obtained related to wet weight were: 0.031 mg/ kg Cd, 0.10 mg/kg Pb, 0.59 mg/kg Cu, 14 mg/kg Zn, 12 mg/kg Fe, 0.26 mg/kg Mn and 0.23 mg/kg Ni, respectively. The mean contents of cadmium and lead in muscles of sprats were below the recommended tolerance levels of 0.05–2.0 mg/kg and 0.5–2.0 mg/kg, respectively. A small number of sprats contained cadmium in their muscles at a concentration above the tolerance of 0.05 mg/kg. The results are compared with values reported previously for Baltic sprats by other authors.

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Partially with financial support under grant PR-4 (Sea Fisheries Institute)

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Falandysz, J. Trace metals in sprats from the southern Baltic, 1983. Z Lebensm Unters Forch 182, 40–43 (1986). https://doi.org/10.1007/BF01079890

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  • DOI: https://doi.org/10.1007/BF01079890

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