Item
Specification
Appearance: White to light yellow crystalline powder
Assay: 99.0 %
Melting point: 152~156�??�?�ºC
Chloride: 50 ppm
Arseni: 1 ppm
Heavy metal: 3 ppm
Loss on drying: 1.0%
Residue on ignition: 0.2%
Iron: 10 ppm