CERTIFICATE OF ANALYSIS
L-ARGININE BASE
BATCH NO: 050803
MANUFACTURING DATE: AUG.20.2005
EXPIRY DATE: AUG.20.2007
| ITEM | SPECIFICATION | RESULT |
| 1. Appearance: | white crystalline powder | Conform |
| 2. Specific rotation: | +26.3--+27.7 | +27.1 |
| 3. Transmittance: | Not Less then 98.0% | 99.500% |
| 4. Chloride: | Not more than 0.02% | Conform |
| 5. Ammonium: | Not more than 0.02% | Conform |
| 6. Sulfate: | Not more than 0.02% | Conform |
| 7. Iron: | Not more than 10ppm | Conform |
| 8. Heavy metals: | Not more than 10ppm | Conform |
| 9. Arsenic: | Not more than 1 ppm | Conform |
| 10. Other amino acid: | Not detectable | Conform |
| 11. Loss on drying: | Not more than 0.5% | 0.200% |
| 12. Residue on ignition: | Not more than 0.1% | 0.080% |
| 13. Assay (Dry basis): | 98.5-101.1% | 99.500% |
| 14. PH: | 10.5-12.0 | 11 |
Produced by WIRUD Co.Ltd China