... 1.General knowledge about Barium CarbonateBarium carbonate (BaCO3), also known as witherite, is a chemical compound used in rat poison, bricks ... In the brick, tile, earthenware and pottery industries barium carbonate is added to clays to precipitate soluble salts (calcium ... and the trading of titanium dioxide,Calcium hydroxide,Calcium carbonate,Silicon dioxide,Pulvistalci.etc.We have our own production ...