Comparison Of The Contents Of Typical Heavy Metals In Organic Carbons Associated With Calcium And Iron/Albonds In Different Functional Areas In Beijing Urban Soil

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.