... crystal, white powder, granular crystal or prill. Potassium carbonateCAS NUMBER:584-08-7Property: Potassium Carbonate is monoclinic crystal, white powder, granular ... UNIT FINE GRADE TV GLASS GRADE FIRST GRADE REGULAR GRADE Purity(as K2CO3) % Min 99.0 99.0 98.5 96.0 ... during welding. It is used to produce food additives like potassium sorbate, monopotassium phosphate, etc. foliar spray fertilizer and a ...