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| Name: | L-Tryptophan 99% Feed Grade |
| Color: | White to light yellow crystal powder |
| Assay(Test on Titration): | ≥99.0% |
| PH(1 solution): | 5.0--7.0 |
| Specific rotation: | -29.0°- -32.8° |
| Residue on Ignition(): | ≤0.5% |
| Heavy Metals: | ≤20ppm |
| Salmonella: | Negative in 10g |
Product Description
Product Name: L-Tryptophan power |
CAS No. 73-22-3 |
Packing: 20kg/bag |
Batch No.: SA20161108034
|
Country Of Origin: China |
|
Items |
Limits
|
Test results |
Description
|
White to light yellow crystal powder |
Conforms |
Assay(Test on Titration)
|
≥98.0 |
99.1% |
PH(1% solution) |
5.0--7.0 |
5.4 |
Specific rotation |
-29.0°- -32.8° |
-29.3° |
Residue on Ignition(%) |
≤0.5 |
0.4 |
Loss on Drying(%) |
≤0.5 |
0.3 |
Heavy Metals |
≤20ppm |
＜20ppm |
Salmonella |
Negative in 10g |
Confirms |
Storage Condition |
Stored In Cool and Dry place |
|
Conclusion： Conform with GB/T25735-2010 |
||
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