Chemical Associations of Heavy Metals in the Sediments near Bailonggang Sewage Discharge Outlet of Shanghai-中国期刊网

摘要 ThefivechemicalassociationsofheavymetalshavebeenextractedcontinuouslyusingtheTessierextractingmethod.ResultsshowthatCu,Pb,Fe,ZnandCrinthesedimentsaremainlydistributedinresidualfraction,whilethemajorchemicalassociationofMniscarbonates.CarbonateheavymetalsareconvertedintoFe-Mnoxidesinautumn.Andinthelowtidalflat,aftercarbonateshavechangedintoionicheavymetals,someoftheelementsaretransportedtotheoverlyingwater.Cu,Pb,FeandMnhavegoodcorrelationswitheachother,andZn,Cralsoshowtheirsimilarityofchemicalbehaviorinthesediments.

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Chemical Associations of Heavy Metals in the Sediments near Bailonggang Sewage Discharge Outlet of Shanghai

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Chemical Associations of Heavy Metals in the Sediments near Bailonggang Sewage Discharge Outlet of Shanghai

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