Research Article

Geochemical Association of Ni 2+ , Zn 2+ , Pb 2+ , Ag + , Cu 2+ , and Co 2+ Ions in Natural Pyrite

Figure 4

Percent adsorption versus pH for Pb2+ adsorbed on pyrite: in presence of (a) none; (b) Ni2+; (c) Zn2+; (d) Ag+; (e) Cu2+, and (f) Co2+ ions.
161850.fig.004a
(a)
161850.fig.004b
(b)
161850.fig.004c
(c)
161850.fig.004d
(d)
161850.fig.004e
(e)
161850.fig.004f
(f)