Property： oxidation state，black-brown powder，density 7.3 g/cm3，purity 99.5%-99.9%, multing point 2340℃, insoluble in ...Explore More
Property： oxidation state，lavender powder, density 7.24 g/cm3，purity 99.5%-99.9%，multing point 1900℃，insolubl ...Explore More
