
CERTIFICATE OF ANALYSIS
L-LEUCINE
BATCH NO: 060110
MANUFACTURING DATE: JAN.10.2006
EXPIRY DATE: JAN.10.2008
| ITEM |
SPECIFICATION |
RESULT |
| 1. Specific rotation: |
+14.9 to +17.3 |
15.1 |
| 2. PH: |
5.5-7.0 |
6.6 |
| 3. Loss on drying: |
Not more than 0.2% |
0.05% |
| 4. Residue on ignition: |
Not more than 0.4% |
0.08% |
| 5. Chloride (CL): |
Not more than 0.05% |
NMT 0.02% |
| 6. Sulfate: |
Not more than 0.03% |
NMT 0.03% |
| 7. Iron: |
Not more than 30ppm |
NMT 5ppm |
| 8. Heavy metals |
Not more than 15ppm |
NMT 10ppm |
| 9. Organic volatile impurities: |
Meet the requirements |
Conform |
| 10. Assay: |
99.0 to 101.5% |
99.5% |
| 11. Particle size: |
NLT 95% pass through 80 mesh |
Conform |
Produced by WIRUD Co.Ltd China
|