
CERTIFICATE OF ANALYSIS
L-GLUTAMIC ACID
BATCH NO: 20051102
MANUFACTURING DATE: 02 NOV 2005
EXPIRY DATE: 02 NOV 2008
| ITEM |
SPECIFICATION |
RESULT |
| 1. Description: |
white crystals or crystalline
Powder Strongly acid taste
|
white crystals
strongly acid taste
|
| 2. Specific rotation: |
+31.5-+32.5 |
+31.9 |
| 3. State of solution: |
Not less than 98.0% |
98.80% |
| 4. Chloride (Cl): |
Not more than 0.02% |
Less than 0.02% |
| 5. Ammonium (NH4): |
Not more than 0.02% |
Less than 0.02% |
| 6. Sulphate(SO4): |
Not more than 0.02% |
Less than 0.02% |
| 7. Iron: |
Not more than 10ppm |
Less than 10ppm |
| 8. Heavy metals: |
Not more than 10ppm |
Less than 10ppm |
| 9. Arsenic (As2O2): |
Not more than 1ppm |
Less than 1ppm |
| 10. Other amino acids: |
Not detectable |
Not detectable |
| 11. Loss on drying: |
Not more than 0.1% |
0.09% |
| 12. Residue on ignition: |
Not more than 0.1% |
0.04% |
| 13. Assay (on drying basis): |
99.0-100.5% |
99.90% |
| 14. PH: |
3.0-3.5 |
3.2 |
Produced by WIRUD Co.Ltd China
|