Potassium amyl xanthate (KAX) collector and MIBC frother were used
in flotation studies. Dilute solutions of AR grade NaOH and HCl were used
to maintain the pH at the targeted value during flotation. Deionised water
was used in the processes of both grinding and flotation. 2,9-dimethyl-
1,10-phenanthroline (DMP), copper (II) sulfate (0.01 M), and phosphate
buffer (pH 7.0) solutions were used for estimating H2O2