Adsorption of Pb(II) and Cd(II) by Squid Ommastrephes bartrami Melanin
Figure 5
SEM images of squid melanin with heavy metals. (a) Natural squid melanin; (b) Cd(II)-enriched (105 mg/g); (c) Pb(II)-saturated (135 mg/g). The scale bar in each panel corresponds to 100 nm.
