Appearance Light red crystalline powder
Decomposition Tem 149-155℃
Sensitivity to Hg Pass testing
Solubility in Ethanol Pass testing
Residue on ignition 0.1% max
Appearance White uniform granular
Chloride 0.02% max
Fe 0.02%max
PH 6-7
Loss on drying 3% max
Surface area,m2/g 300-550
Pore volume ml/g
0.7-0.9
Aperture A 80-100
Qualified size ratio 80%min
Particle size 230-400mesh