A Chelating Resin of EDTA-Type Modified Cross-Linking Polystyrene to Preconcentrate Trace Metals for Seawater Detection

Figure 8

Actual measurement of seawater samples taken in three bays, Jiaozhou, Tangdao, and Aoshan, coastal sea of Qingdao, China, and conducting the enriching process for AAS to afford the concentration of Cu, Zn, Pb, and Cd.