hdzhl co., ltd
Free supplier
- Free
supplier - 8th
years
Free supplier
Business Type:Trading Company
Product Certification&
Enterprise Certification
Country: 
China (Mainland)
Business Type:Trading Company
CAS NO.56-41-7
1(0-1)Kilogram
| Item | GB25543-2010 | USP32 | FCCIV | AJI92 |
| Appearance | white crystalline powder | |||
| Assay | 98.5%~101.5% | 98.5%~101.0% | 98.5%~101.5% | 98.5%~101.0% |
| Chloride | ≤0.02% | ≤0.02% | ||
| Heavy metals (as Pb) | ≤0.001% | ≤15ppm | ≤0.002% | ≤0.001% |
| Lead | ≤10mg/kg | |||
| Arsenic | ≤ 0.0001% | <0.0001% | ≤ 0.0001% | |
| Iron | ≤0.001% | ≤0.001% | ||
| Ammonium ( NH4) | ≤0.02% | ≤ 0.02% | ||
| SO4 | ≤0.02% | |||
| pH (5%in water) | 5.7~6.7 | 5.5~7.0 | 5.7~6.7 | |
| Loss on drying | ≤0.2% | ≤0.2% | ≤0.3% | ≤0.20% |
| Reside on ignition(as sulphate ash) | ≤0.2% | ≤0.1% | ≤0.2% | ≤0.10% |
| Specific optical rotation | +13.5°~ +15.5° | +14.3°~ +15.2° | +13.5°~ +15.5° | +14.3°~ +15.2° |
| Transmittance | ≥98.0% | ≥98.0% | ||
| Solubility | colorless clear | |||
| (Other amino acids) | qualified | qualified | ||
