Abstract
Based on urban soils in Beijing, this paper studies the content of typical heavy metals (Cr, Mn, Ni, Cu, Zn, As, Cd, Pb) in calcium and iron-aluminum bond organic carbon in road and park areas in autumn and summer distributed. It was found that the content of heavy metals in the iron-aluminum bonded state was higher than that in the calcium-bonded state. The content is higher in summer than in autumn, and higher in road area than in park area.
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