Citation: Lian Cun GAO, Gui Hua HE, Shu Ren WANG, Su Ping FENG. SPECIATION OF Cu、Pb、Zn、Cr IN DUST OF DIFFERENT ORIGINS AND DIAMETERS[J]. Chinese Chemical Letters, ;1993, 4(12): 1109-1112. shu

SPECIATION OF Cu、Pb、Zn、Cr IN DUST OF DIFFERENT ORIGINS AND DIAMETERS

a Environmental Science Center, Shandong University, Jinan 250100;
b Experimental Center, Shandong University

Received Date: 8 July 1993

Various species of Cu. Pb, Zn and Cr in dust of different origins and diameters were studied using Tessler scheme, and the partition law was revealed, The results indicated that superior form of Cu、Pb、Zn and Cr was bound to organic master, bound to Fe-Mn oxides, bound to Fe-Mn oxides and residual. So their 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 superior to those in large particles, which illustrated that heavy metals in small paticles were more active and harmful.
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