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Total and chemical fractions of nine potential harmful elements (V, Cr, Co, Ni, Cu, Zn, Cd, Pb and Bi) and five lithogenic elements (Li, Sc, Rb, Cs and Th) in two 210Pb-dated cores from the East China Sea were analyzed to investigate their applications in paleoenvironment studies, and to reconstruct the histories of environmental changes. The residual fraction was the largest pool of trace elements...
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