Item | Standard | Result |
Appearance | White or almost white needle crystal,no odor,freely soluble in water,no visible impurities | Conform |
Content (%) | 99.0-102.0 | 99.377 |
Water (%) | ≤0.5 | 0.04 |
Sulfate ash (%) | ≤0.1 | 0.01 |
Specific rotation (°) | +102.0-+105.0 | +104.8 |
Melting point (℃) | 154.0-160.0 | 154.3-155.2 |
Chloride (%) | ≤0.005 | Conform |
Sulfate (%) | ≤0.005 | Conform |
Pb (mg/kg) | ≤0.4 | Conform |
Total bacteria count (CFU/g) | ≤1000 | Negative |