Appearance White crystalline powder
Assay(Titration,
Dry basis) 99.0%min
Water 0.5% max
Infrared Complies
PH 1% Di H2O 4.8-5.6(25℃)
Solubility 1M water Clear, Colorless solution
Residue on ignition 0.1% max
A280,1M water 0.035 max
A260,1M water 0.045 max
Iron 5ppm max
Heavy metals(Pb) 3ppm max
Endotoxin 0.2% solution 0.1EU/ml max