| ≥1 piece |
Product Name: L-Valine CAS No. 72-18-4
Packing: 25kg/drum Country Of Origin:
|
Items |
Limits |
Test results |
|
Description |
White crystals or crystalline powder |
Conforms |
|
Assay |
98.5%～101.5% |
99.4% |
|
Identification (Infrared Absorption) |
Corresponding to Reference Spectrum |
Confirms |
|
PH |
5.5～7.0 |
6.66 |
|
Specific rotation |
+26.6°～+28.8° |
+27.4° |
|
Residue on Ignition |
≤0.1% |
0.04% |
|
Loss on Drying |
≤0.3% |
0.07% |
|
Chloride (Cl) |
≤500ppm |
＜500ppm |
|
Iron(Fe) |
≤30ppm |
＜30ppm |
|
Sulfate ( SO4) |
≤300ppm |
＜300ppm |
|
Heavy Metals |
≤15ppm |
＜15ppm |
|
Lead |
≤5 |
＜0.2 |
|
Cadmium |
≤1 |
＜0.02 |
|
Mercury |
≤0.1 |
＜0.05 |
|
Arsenic(As) |
≤1.0 |
＜1.0 |
|
Total Plate Count |
≤5000cfu/g |
60cfu/g |
|
Yeast and Molds |
≤100cfu/g |
＜20cfu/g |
|
E.Coli |
Negative in 10g |
Confirms |
|
Staphylococcus Aureus |
Negative in 10g |
Confirms |
|
Salmonella |
Negative in 10g |
Confirms |
|
Storage Condition |
Stored In Cool and Dry place |
|
|
Conclusion：Passed test according to the Standard of USP . |
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