Applies to cobalt salt, cobalt dyestuff, feedstuff and color chemical agent for porcelain. Cobalt Carbonate (CoCO3 ... . Decomposed in hot water,Application: Applies to cobalt salt, cobalt dyestuff, feedstuff and color chemical agent for porcelain. 5. Packaging: 25 ... .0030.0020.050.01% Application: Making other cobalt salts, cobalt dyestuff, porcelain coloring and chemical reagent, used as drier agent in ...