Fractional Characteristics of Heavy Metals Pb, Zn, Cu, and Cd in Sewer Sediment from Areas in Central Beijing, China

<div>Metal concentrations of (a) six functional areas: (I) old residential area, (II) comprehensive area, (III) new residential area, (IV) pedestrian only commercial area, (V) educational area, and (VI) business area; (b) Fuwai Street; (c) Chegongzhuang Street.</div>

Journal of Chemistry

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Figure 2

Figure 2: Fractional Characteristics of Heavy Metals Pb, Zn, Cu, and Cd in Sewer Sediment from Areas in Central Beijing, China 