Vanadium oxide (V2O5)

Vanadium pentoxide powder
Specification:V2O5, 99% min; Si, 0.15% max; Fe, 0.2% max; S, 0.01% max; P, 0.03% max; As, 0.01 %max; Na2O+K2O, 1.0% max

Vanadium pentoxide flake
Specification: V2O5, 98%min; Si, 0.25%max; S,0.03% max; Fe, 0.8% or 0.3% max; P, 0.05% max; As, 0.02% max; Na2O+K2O, 1.5%max