质量标准
Test Items Standard
Appearance Clear, colorless to pale-yellow liquid
Assay 98.0 to 101.0%
Chloride (Cl) Not more than 0.10%
Heavy Metals (Pb) Not more than 10 PPM
Loss on Drying Not more than 0.20%
Residue on Ignition (Sulfate) Not more than 0.20%
