*Appearance:white coarse crystal, anti-caking.
*Purity(on dry basis):99%min
*Cu:0.001%max
*Fe:0.001%max
*Hg:0.001%max
*Water insolubles:0.001%max
*Moisture:1.8%max
*Free acid(as HNO3):0.5%max
*Chlorides(as PbCl2):0.1%max
*Packing:packed in net weight 25kgs or 1000kgs plastic woven bags or according to user's requirements.