Barium Carbonate is manufactured from natural barium sulfate (barite). Barium Carbonate standard powder, fine powder, coarse powder and granular are all can be custom-made at UrbanMines.
Bismuth(III) Nitrate is a salt composed of bismuth in its cationic +3 oxidation state and nitrate anions, which the most common solid form is the pentahydrate. It is used in the synthesis of other bismuth compounds.