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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
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.v42.i5.100
pages 91-106

Effect of Various Factors on Metal Desorption from Bottom Sediments under Conditions of Experimental Simulation

Краткое описание

The results of experimental studies on metal migration in the "bottom sediments - water" system under aerobic and anaerobic conditions and at the various concentrations of humic acids (HA) presented in natural water are discussed. It is shown that migration of metals essentially increases under conditions of deficiency of dissolved oxygen. Manganese is the most sensitive element to changes in conditions at the interface of solid and liquid phases. The output of Nu (II), Zn (II), Pb (II), and Cr (III) from the bottom sediments into contacting water is much lower than that of manganese and depends on migration ability of organic substances, to which they are bound in complexes. The presence of HA in water promotes increase in metal migration from bottom sediments owing to formation of O2 deficiency and complexation.


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