Item | Specifications | Results |
Appearance | White powder | Complies |
Identification | Conform to standard | Complies |
Residue on Ignition | ≤0.2% | 0.07% |
Loss of Drying | ≤5.0% | 1.5 ~ 2.0% |
Heavy Metals | 20ppm max | Complies |
Purity (HPLC) | 99.0% min | 99.6% |
Conclusion | The results conforms with Enterprise standards |
Item | Specifications | Results |
Description | White to Light yellow powder | Complies |
Smell | Odourless | Complies |
Solubility | Freely soluble in water | Complies |
Loss on drying | ≤2.0% (w/w) | 0.12% (w/w) |
Assay | ||
HPLC | 99.0% min | 99.6% |
Total ash | ≤2.5% (w/w) | 1.0% (w/w) |
Heavy metals | <20 ppm | <20 ppm |
Purity per HPLC | ||
6S-BH4.2HCl | ≤0.5% | 0.4% |
Unknown impurities (single) | ≤0.05% | n.d. |
Unknown impurities (total) | ≤0.1% | n.d. |
Impurities (total) | ≤1% | 0.4% |
Conclusion | The results conforms with enterprise standards |
Packaging and Shipping
Packaging:1g/bottle, 2g/bottle, 500g/bottle, 1KG/bag
Shipping:It can be according to the customer’s request
Normal temperature preservation