| ≥1 piece |
Certificate of Analysis
L-Tryptophan
|
Batch No. |
HKP2010203 |
|
|
|
Quantity |
1kg/bags |
Inspection Date |
2020-10-11 |
|
MFG Date |
2020-10-10 |
Expiry Date |
2022-10-09 |
|
Items |
Specification |
Results |
|
Description |
White to light yellow crystal powder |
complies |
|
L-Tryptophan assay Test by Titration |
≥98.0% |
99.6% |
|
pH (1% solution) |
5.0--7.0 |
5.50 |
|
Residue on Ignition |
≤0.5% |
0.3% |
|
Loss on drying |
≤0.5% |
0.4% |
|
Storage condition |
Storage in cool and dry place |
|
|
Conclusion: according to GB/T25735-2010 assay conforms. |
||