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Trace Metals and Organic Life
4 Health Hazard Due to Certain Trace Elements
26 other sections not shown
acid activities adsorption algae analysis approx aquatic systems areas arsenic biologic cadmium carbon cations chemical chromium clay minerals coastal cobalt colloidal complexes compounds contamination copper coprecipitation cores decrease deposits determined discharge dissolved distribution dredging effects effluents Elbe environment environmental Estuary example exchange factors fish Forstner fraction freshwater groundwater Hasselrot heavy metal concentrations heavy metals higher humic humic acids hydrous hydroxide increase indicate industrial influence inorganic input investigations iron Lake lead levels manganese marine material maximum ment mercury mercury concentrations metal enrichment metal ions metal pollution methylmercury natural waters nickel occur oxides oxygen particularly particulate phases phytoplankton plankton plant pollution precipitation processes redox Rhine samples seawater sediments sewage sludge soils solid soluble solution sorbed sorption species studies sulfide surface waters Table tion toxic trace elements trace metals uptake values waste zinc zooplankton