Figure 4
From: Enhanced sulfidation xanthate flotation of malachite using ammonium ions as activator

Cu 2p3/2 spectra of malachite after (a) sulfidation and (b) enhanced sulfidation.
From: Enhanced sulfidation xanthate flotation of malachite using ammonium ions as activator

Cu 2p3/2 spectra of malachite after (a) sulfidation and (b) enhanced sulfidation.