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Hydrobiological Journal
SJR: 0.227 SNIP: 0.901 CiteScore™: 0.5

ISSN Печать: 0018-8166
ISSN Онлайн: 1943-5991

Выпуски:
Том 56, 2020 Том 55, 2019 Том 54, 2018 Том 53, 2017 Том 52, 2016 Том 51, 2015 Том 50, 2014 Том 49, 2013 Том 48, 2012 Том 47, 2011 Том 46, 2010 Том 45, 2009 Том 44, 2008 Том 43, 2007 Том 42, 2006 Том 41, 2005 Том 40, 2004 Том 39, 2003 Том 38, 2002 Том 37, 2001 Том 36, 2000 Том 35, 1999 Том 34, 1998

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v48.i5.90
pages 91-106

Peculiarities of Metals Distribution among Their Coexisting Forms in the Water of the Desna River

P. N. Linnik
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev
V. A. Zhezherya
Institute of Hydrobiology National Academy of Sciences of Ukraine, Kiev
R. P. Linnik
Kiev National University Kiev, Ukraine
I. B. Zubenko
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine

Краткое описание

Results of the study of a set of metals (Al, Fe, Mn, Zn, Pb, Cu, and Cr) in the water of the Desna River are given in the paper. The peculiarities of the distribution of Al(III), Mn(II), Cr(III), and Cu(II) among their suspended and dissolved forms are discussed. The role of the dissolved organic matter in the process of metal migration was also studied. It has been found that humus substances are of considerable importance in binding Al(III), Fe(III), Cu(II), and Mn(II). The contribution of the dissolved forms of the above mentioned metals to the composition of their anionic complexes accounted for 51.3−71.5%. Neutral complexes of metals with carbohydrates (12.7−40.8%) represent the second main group of metal complexes. At the same time, the contribution of Cr(III) to the composition of anionic (40.4%) and neutral (40.8%) complexes was almost the same. The highest amount of metals was found in the fractions of humus substances with the molecular mass ≤2.0 kDa. The capability of various fractions of humus substances to bind Al(III), Fe(III), and Cu(II) was assessed.


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