Research Article
Geochemical Association of Ni
2+
, Zn
2+
, Pb
2+
, Ag
+
, Cu
2+
, and Co
2+
Ions in Natural Pyrite
Figure 6
Percent adsorption versus pH for Cu2+ adsorbed on pyrite: in presence of (a) none; (b) Ni2+; (c) Zn2+; (d) Pb2+; (e) Ag+, and (f) Co2+ ions.