Test Items | Specification | Test Result |
Appearance | White to creamy-yellow almost odorless crystalline powder | Light yellow odorless crystalline powder |
Identification | Should meet the requirements | Complies |
Assay (on dried basis) | ≥95.0% | 95.4% |
PH | 5.00-7.50 | 5.90 |
Specific rotation α m (20ºC, D) | +250°dm 2 kg -1 -+290°dm 2 kg -1 | +260°dm 2 kg -1 |
Loss on drying | ≤8.00% | 7.8% |
Residue on ignition | ≤0.5% | 0.42% |
Lead | ≤2.0 mg/kg | Pass |
Arsenic | ≤1.0 mg/kg | Pass |
Mercury | ≤0.05 mg/kg | Pass |
Conclusion | Conform to the standard |
Test Items | Specification | Test Result |
Appearance | White to creamy-yellow almost odorless crystalline powder | Light yellow odorless crystalline powder |
Assay | ≥ 50.0% | 53.0% |
Loss on drying | ≤ 8.0 % | 4.47% |
PH | 5.0-7.5 | 6.32 |
Residue on ignition | ≤ 0.5% | 0.230% |
Heavy Metal | ≤ 10mg/kg | < 10mg/kg |
Lead | ≤ 1mg/kg | < 1mg/kg |
Total Plate Count | ≤ 100cfu/g | < 10cfu/g |
Coliforms | < 3.0 MPN/100g | <3.0 MPN/ 100 g |
Salmonella | Negative in 25g | Negative |
Conclusion | Complies With enterprise Standard |