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  4. Schwermetall/Feststoff-Wechselwirkungen in Ästuargewässern : Sorptionsexperimente mit organischen Partikeln
 
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Schwermetall/Feststoff-Wechselwirkungen in Ästuargewässern : Sorptionsexperimente mit organischen Partikeln

Citation Link: https://doi.org/10.15480/882.402
Other Titles
Heavy metal/solid matter interactions in estuarine waters : sorption experiments on organic particles
Publikationstyp
Journal Article
Date Issued
1984
Sprache
German
Author(s)
Förstner, Ulrich 
Ahlf, Wolfgang  
Calmano, Wolfgang  
Sellhorn, Claudia  
Institut
Umwelttechnik und Energiewirtschaft V-9  
TORE-DOI
10.15480/882.402
TORE-URI
http://tubdok.tub.tuhh.de/handle/11420/404
Journal
Vom Wasser  
Volume
63
Start Page
141
End Page
156
Citation
Vom Wasser 63 (1984), 141-156
Interactions between dissolved and solid metal species in estuaries are significantly affected by changes of salinity, pH, turbidity and concentration of organic chelators. Sorption experiments performed on algal cell walls as defined organic substrates indicate (a) stronger associations of cadmium and zinc with cell walls at higher rations of solid matter to dissolved metal concentrations, (b)increasing mobility of cadmium and silver by the formation of chlorocomplexes at elevated salt contents, (c) both increased and reduced sorption of lead and zinc by the effects of alkali and alkaline earth ions and (d) generally stronger binding intensities of copper, lead and zinc in artificial seawater compared to mono-cationic solutions of equal chlorinities. For cadmium the combination of salinity and strongly complexing agent nitrilotriacetic acid (NTA) affects lower sorption rates than does either one of both factors. On the other hand, the data of lead and copper indicate that with increasing salinity the mobilizing effect of higher NTA-concentrations is counteracted by the increase of calcium and magnesium ions.
DDC Class
550: Geowissenschaften
Lizenz
http://doku.b.tu-harburg.de/doku/lic_ohne_pod.php
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