Analytics | Specification |
Assay | ≥90.0% UV 65% HPLC |
Appearance | White or slightly yellow fine powder |
Clarity of solution | Clear |
Loss on drying | ≤8..0% |
Residue on ignition | 8.5~10.5% |
Heavy metals | ≤10ppm |
Arsenic | ≤2ppm |
Specific optical rotation | +40.0o~+50.0o |
Potassium | 3.8~4.8% |