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CERTIFICATE OF ANALYSIS


L-ASPARTIC ACID

BATCH NO: 20060213
MANUFACTURING DATE: FEB.13.2006
EXPIRY DATE: FEB.13.2008


ITEM SPECIFICATION RESULT
1. Appearance: white crystalline powder Conform
2. Assay: 98.5 -101.0% 99.47%
3. Specification: +24.8 - +25.8 25.72%
4. Transmittance: Not less than 98.0% 99.0%
5. Loss on drying: Not more than 0.20% 0.02%
6. Residue on ignition: Not more than 0.1% 0.06%
7. Other amino acids: Not detectable None
8. Chloride: Not more than 0.02% Less than 0.02
9. Sulphate: Not more than 0.02% Less than 0.02%
10. Ammonium salt: Not more than 0.02% Less than 0.02
11. Iron: Not more than 10ppm Less than 10pp
12. Heavy metals: Not more than 10ppm Less than 10ppm
13. Arsenic: Not more than 1ppm Less than 1ppm
14. PH: 2.5 -3.5 3.0


Conclusion: Conform to AJI97.

Produced by WIRUD Co.Ltd China


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