产品描述
Appearance White powder
Purity(as c4h6o6) 99.5 -100.5%
Specific rotation(20 ℃) +12.0 ° --- +13.0 °
Heavy metals( as pb) 10 ppm max
Residue on ignition 0.05% max
Arsenic(as as) 3 ppm max
Loss on drying 0.2% max
Chloride 100 ppm max
Sulfate 150 ppm max
Oxalate 350 ppm max
Calcium 200 ppm max
Water solution clarity Conforms to the STANDARD
Color Conforms to the STANDARD
