potassium carbonate (K2CO3) APPLICATION: Mainly usded in synthetic-gas-decarbonization, tube, glass, enamelware,dyestuff,electric welding,photograph welding, photograph inorganic salts,and kine-scope shell. Item II GRADE I GRADE K2CO3 99%min 98.5%min Chloride(kCl) 0.03%max 0.1%max Sulph(K2SO4) 0.04%max 0.1%max Iron 0.001%max 0.003%max Water Insoluble 0.04%max 0.05%max Loss of burning 0.8%max Packed in 25kg bags or 50kg bags Ms. Zhao chao HEBEI XINJI CHEMICAL SALES DEP 13832385421