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Hydrobiological Journal
Stellvertretender Chefredakteur: V.I. Yurishinets (open in a new tab)
Exekutivsekretär der Redaktion: L.I. Kalinina (open in a new tab)

Erscheint 6 Ausgaben pro Jahr

ISSN Druckformat: 0018-8166

ISSN Online: 1943-5991

SJR: 0.221 SNIP: 0.469 CiteScore™:: 0.9 H-Index: 12

Indexed in

Distribution of Ionized Cobalt between the Components of Model Water Ecosystems

Volumen 34, Ausgabe 4-5, 1998, pp. 212-225
DOI: 10.1615/HydrobJ.v34.i4-5.220
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ABSTRAKT

The distribution of cobalt ions in model ecosystems containing water from the Dnieper-Donbass Channel, phytoplankton, and benthic sediment was studied. The cobalt concentration in water decreased as a result of the formation of complexes with dissolved organic matter and, to a lesser extent and at a lower rate, of its absorption by phytoplankton. The distribution was significantly changed in the presence of other metals: when added in combination with copper and cobalt, cobalt remained unbound and its concentration was nearly constant. Benthic sediment absorbed cobalt ions at a gradually decreasing rate until its concentration became lower than that detectable polarographically. Equations approximating the distribution of cobalt ions in the model water ecosystems were obtained, and their coefficients were calculated.

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