Thermodynamic Modeling of Trace Metal Speciation in the Black Sea
作者： William M. Landing , Brent L. Lewis
DOI: 10.1007/978-94-011-2608-3_8
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摘要: The solution speciation and saturation state for dissolved Mn, Fe, Co, Ni, Cu, Zn, Cd, Pb in the Black Sea were modeled using a modified version of MINEQL equilibrium modeling program. calculations included effects major cations anions, pH, sulfide, phosphate, carbonate, ammonia. potential organic complexation assessed two model ligands; nitrilotriacetic acid cysteine. results these compared to trace metal measured unique ion-exchange chromatography column sequence designed separate colloidal species, “inert” anionic complexes, “free” cations. possible role Fe-sulfide precipitation scavenging other metals is also addressed.
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