ITEM | SPECIFICATION | RESULTS |
Description | White or light brown granule or powder,Odorless or slightly special | Conform |
Assay | ≥98.5% | 99.3% |
Loss on drying | ≤1.00% | 0.33 |
Heavy metals(as Pb)mg/kg | ≤10mg/kg | <10mg/kg |
Arsenic(as As)mg/kg | ≤1mg/kg | <1mg/kg |
Specific rotation | +18.0º~+21.5º | +20.9º |
Residue on ignition | ≤0.3% | 0.12 |
Ammonium Salt | ≤0.4% | <0.04% |