Items of analysis specification Shape and propertywhite flakes Content (% )99.0 min Melting point ()121-123 Chloride (%)0.02 max Hazen of platinum-co 50 max Heavy metals(as pb) (%) 0.001 max Arsenic(count as as) (mg/kg)2 max Loss on drying (%)0.1 max Ash (%)0.1 max. 1.Packing material: polypropylene woven bag lined with plastic film bag 2.Net weight: 25kg/bag, 550kg/bag