Cobalt Oxide

Cobalt Oxide 72%/74% Co----------------------------------------------72.0% min Ni-----------------------------------------------0.20% max Fe-----------------------------------------------0.10% max Mn----------------------------------------------0.10% max Cu-----------------------------------------------0.10% max Zn-----------------------------------------------0.10% max Sieve residue(400mesh)--------------- 98% passed 1. Cobalt oxide is black and grey powder, no smell and no sapor, can be solved slowly in hot muriatic acid and vitriol, not solve in water. 2. It's widelyused in ceramics, pottery and enamels as blue pigment, also could be used as oxidizer, oil paint and cobalt catalyzers.