... in removing turbidity, oil and fats, in discoloration, in eliminating odor, germ, algae, phosphorus, heavy metallic ions and COD, BOD removing; Used as pigment, medicine, catalyst and ... crystal, soluble in water , glycerine, insoluble in alcohol, corrosion , air slaking and efflorescence.MAIN APPLICATIONS: Used for agricultural pesticide, fertilizer, feed, pigment , catalyst, decontaminant ...