The Adsorption of Cu Species onto Pyrite Surface and Its Effect on Pyrite Flotation

Figure 7

XPS spectra of pyrite conditioned with CuSO₄ at different pH. (a) pH = 4, (b) pH = 7.3, and (c) pH = 10. (d) Cu2p spectra of pyrite conditioned with copper sulfate at pH = 10.

(a)

(b)

(c)

(d)