Description
Product Name: L-Valine
1.Appearance: White Crystal or Crystalline Powder
2.Package: 25 KGS/DRUM
3. Shelf life:24 months
4.Storage:Kept in dry, cool, and shaded place with original packaging, avoid moisture, store at room temperature.
Product Specification Of L-Valine 98.5%
| Items | Standards | ||
| Appearance | White crystals or crystalline | ||
| Identification | IR:Concordant with the | ||
| Assay(%) | 98.5 – 101.5 | ||
| pH | 5.5 – 7.0 | ||
| Specific rotation(°) | +26.6 – +28.8 | ||
| Residue on ignition(%) | 0.10 Max | ||
| Loss on drying(%) | 0.30 Max | ||
| Cl(%) | 0.05 Max | ||
| Fe(ppm) | 30 Max | ||
| SO4(%) | 0.03 Max | ||
| As(ppm) | 1.5 Max | ||
| Heavy metals(ppm) | 15 Max | ||
| Organic volatile | Meets the requirements |
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