Business Type:Lab/Research institutions
Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Lab/Research institutions
Items | Standards | Results |
Appearance | Nearly White crystalline powder,almost smell-less | Conforms |
Identification | Appear positive reaction | Conforms |
PH | 5.0-7.5 | 5.2 |
Loss on drying | 8.0% max | 6.0% |
Residue on ignition | 0.5% max | 0.34% |
Specific Rotation am(20℃,D)/(°).dm2.kg-1」 | +250°~+295° | +253° |
Pb | 2mg/Kg max | 0.5mg/kg |
Heavy metals | 10mg/Kg max | Conforms |
Colony count | 100cfu/g max | 40cfu/g |
Purity | 95.0% min | 95.7% |