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《RESEARCH OF ENVIRONMENTAL SCIENCES》 1995-04
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Specification of Cu, Pb,Zn,Cr in Dust of Different Diameters

GAO Ljancun;FENG Suping;HE Guihua;WANG Shuren(Environmental Science Center, Shandong University, Jinan 250100)  
Various Cu,Pb,Zn and Cr in dust of different diameters were studted using Tesslerscheme,and the distribution pattern was revealed.The results indicated that the dominant form ofCu,Pb,Zn and Cr was bound to organic matter, Fe-Mn oxides,Fe-Mn oxides and residual. Sotheir activity order was Zn Pb Cu Cr,The exchangeable metals bound to carbonates and Fe-Mn oxides of four heavy metals in small particles were dominant compared with those in large particles. This demonstrates that heavy metals in small particles were more active and harmful.
【CateGory Index】: X132
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