Journal of Chemistry

Research Article

Galvanic Interaction between Chalcopyrite and Pyrite with Low Alloy and High Carbon Chromium Steel Ball

Table 3

The measured galvanic current densities (μA/cm2) and combination potentials (mV) (versus Ag/AgCl (3.0 M KCl)) of pyrite, chalcopyrite with low alloy and high carbon chromium steel ball under different aeration conditions in mill.
Aeration conditionsGalvanic current density of pyrite and low alloy steelCombination potentials (potential between pyrite and low steel ball)
Without aeration109.63−345
Nitrogen63.41−538
Air111.97−203
Oxygen277.50−179
Aeration conditionsGalvanic current density of chalcopyrite and low alloy steel ballCombination potentials (potential between chalcopyrite and low steel ball)
Without aeration86.54−352
Nitrogen33.98−569
Air139.23−193
Oxygen271.26−189
Aeration conditionsGalvanic current density of pyrite and high carbon chromium steel ballCombination potentials (potential between pyrite and high carbon chromium steel ball)
Without aeration86.53−531
Nitrogen26.33−535
Air89.98−372
Oxygen212.18−172
Aeration conditionsGalvanic current density of chalcopyrite and high carbon chromium steel ballCombination potentials (potential between pyrite and high carbon chromium steel ball)
Without aeration71.48−552
Nitrogen15.73−556
Air101.27−362
Oxygen170.56−190