cobalt sheet metal - 1 views
-
hsgmetal on 13 Jan 23HSG Metal is a cobalt metal supplier in China, who provides pure cobalt metal, cobalt ingot, cobalt metal powder, cobalt sheet metal, electrolytic cobalt. Fine cobalt metal powder produced by hydrogen reduction can ignite into cobalt oxide in air. Buy cobalt metal at wholesale price.
-
hsgmetal on 04 Nov 24Cobalt is a shiny steel-gray metal, relatively hard and brittle, ferromagnetic, heated to 1150℃ magnetic disappear. The combined valence of cobalt is 2 and 3. It does not interact with water at room temperature and is stable in humid air. It is oxidized to CoO when heated to more than 300℃ in the air, and burned into Co3O4 when white hot. The fine cobalt metal minor powder produced by hydrogen reduction can spontaneously ignite into cobalt oxide in air.