Specification:
Appearance | White powder, needle or granule crystal | Qualified |
Aroma | Fruity sweet aroma, no miscellaneous | Qualified |
Assay % | ≥99.5 | 99.78 |
Melting point ℃ | 89.0-92.0 | 90.2-91.3 |
Water % | ≤0.3 | 0.09 |
Heavy metals (Pb) mg/kg | ≤10 | <5 |
As mg/kg | ≤1 | <1 |