Mechanical activation of MoS2 + Na2O2 mixtures

A study of the mechanochemical activation of molybdenum ore concentrate (MoS2) with sodium peroxide (Na2O2) shows that sodium molybdate dihydrate (Na2MoO4 · 2H2O) is the final crystalline product. The mechanochemical formation of sodium molybdate dihydrate is evidenced by XRD, 23Na MAS NMR and the increasing solubility of the molybdenum in water as the oxidative reaction proceeds.