Items | Standard |
Appearance | White crystalline powder or granular |
PH | 5-7 |
Assay | 99.5% -100.5% |
Ash | ≤0.1% |
Melting point | 119-123℃ |
Lead(Pb) | ≤0.5% mg/kg |
Residuing sugars | ≤ 0.3% |
Ribitol and glycerol | ≤ 0.1% |
Loss on drying | ≤ 0.2% |
Cont of bacteria,cfu/g | ≤ 300 |
Yeast and Moulds,cfu/g | ≤ 100 |
Coliform MPN/g | ≤ 0.3 |
Salmonella enteriditis | Negtive |
Shigella | Negtive |
Staphylococcus aureus | Negtive |