Item | Specification |
Appearance | White crystalline granule or powder |
Assay (on dry basis) | 99.5-100.5% |
Loss on drying | ≤0.20% |
PH | 5.0-7.0 |
Reducing Sugars | ≤0.3% |
Ribitol and glycerol | ≤0.1% |
Melting range | 118~122ºC |
Ash | ≤0.1% |
Heavy metal(pb) | ≤1.0 mg/kg |
Arsenic(count as As) | ≤0.3 mg/kg |
Lead(Pb) | ≤1.0 mg/kg |
Bacterium total | ≤300 cfu/g |
E.Coli | ≤30 MPN/100g |