Item | Standard |
Appearance | White or colorless crystal powder, no impurity can be seen by naked eye. |
Odor | No peculiar smell |
Flavor | Sweet, no scenting, no peculiar smell |
Content % | ≥99.5 |
Ph value | 4.0-6.5 |
Vitriol ash, %( m/m) | ≤0.25 |
Specific Rotation° | +52.0~53.5° |
Clorides % | ≤0.01 |
Moisture, % (m/m) | ≤2.0 |
Total plate count (cfu/g) | ≤3000 |
Coliform (MPN/100g) | ≤30 |
Storage | in the shade |
Packing | 25kg per bag |