High purity,adequate supply Formula: K2CO3Specifications: ItemII GRADEI GRADEK2CO399%min98.5%minChloride (kCl)0.03%max0.1%maxSulphur (K2SO4)0.04%max0.1%maxIron0.001%max0.003%maxWater Insoluble0.04%max0.05%maxLoss of burning0.8%max APPLICATION: Mainly used in synthetic-gas-decarburization, tube, glass, enamelware, dyestuff, electric welding, photograph welding, photograph inorganic salts, and ...