Organic Complex Compounds of Iron and Chromium and Their Chemical Nature in the Dnieper Reservoirs

N. I. Chubar'

doi:10.1615/HydrobJ.v35.i1.70

Hydrobiological Journal

Editor en Jefe: S. A. Afanasyev (open in a new tab)

Editor en Jefe Adjunto: V.I. Yurishinets (open in a new tab)

Secretaria Ejecutiva Consejo Editorial: L.I. Kalinina (open in a new tab)

Publicado 6 números por año

ISSN Imprimir: 0018-8166

ISSN En Línea: 1943-5991

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Organic Complex Compounds of Iron and Chromium and Their Chemical Nature in the Dnieper Reservoirs

Volumen 35, Edición 1, 1999, pp. 61-69

DOI: 10.1615/HydrobJ.v35.i1.70

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N. I. Chubar'
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine

SINOPSIS

The distribution of iron and chromium among complexes with dissolved organic compounds varying in chemical nature (anionic, cationic, and neutral) and in molecular weight was analyzed in the Dnieper reservoirs. Iron and chromium formed complexes with humic compounds, protein-like compounds, and carbohydrates. Humic compounds (fulvic acids predominantly) played the major role in binding both metals in all Dnieper reservoirs. The spatial and temporal variations in the distribution of iron and chromium complexes varying in chemical nature was studied in the Kiev reservoir. The major proportions of iron and chromium formed complexes with humic compounds in spring, with protein-like compounds in summer, and with carbohydrates in winter.

CITADO POR

Linnik P. N., Zhezherya V. A., Linnik R. P., Ignatenko I. I., Zubenko I. B., Metals in surface water of Ukraine: the migration forms, features of distribution between the abiotic components of aquatic ecosystems, and potential bioavailability, Russian Journal of General Chemistry, 85, 13, 2015. Crossref

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