Abstract
The content and occurrence of platinum group elements have a close relation with their biogeochemical behavior and ecological risk in seawater. However, the determination of the PGE content and morphology in seawater is difficult. The characterization of chelating resins for specific elements and specific ligand structures provides a potential for breakthrough in this problem. This review reported the major speciation of PGEs in seawater, discussed the adsorbing mechanism of resin, and compared the adsorption capacity of different types of chelate resin. Finally, some conclusions were drawn. First, the inorganic complexes of PGEs in seawater were mainly composed of [MCl3OH2-]/[MCl42-](M=Pt,Pd) and M(OH)33-n(n=3-6) (M=Rh); Second, chelate resins had certain recognition for different complex morphology of PGEs; Third, nitrogen-sulfur chelate resin was the ideal resin for studying PGEs in seawater under practical conditions.
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Schedule a callMore From: Ying yong sheng tai xue bao = The journal of applied ecology
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