Purity: 99.5%min
 Moisture: 0.05%max
 Insoluble element in water: 0.03%max
 Cl: 0.02%max
 KBrO3: 0.03%max
 SO4: 0.01%max
 Fe: 0.003%max
 Residue on sieve (120mesh): 0.5%max
 Packing: In 25kg polywoven bags.