We are a main supplier of 99.5% Vitamin C in China. We can supply you 99.5% Vitamin C with competitive price. The details of the product as follow:
Analysis Contents | Analysis Standard | Analysis Results |
Description | White or almost white crystals or crystalline powder | Pass |
Identification | Positive Reaction | Positive |
Melting Point | 190℃-192℃ | 191.3℃ |
PH | 2.1-2.6 | 2.41 |
Clarity Of Solution | Clear | Clear |
Colour Of Solution | ≤BY7 | <BY7 |
Copper | ≤5ppm | <5ppm |
Heavy metals | ≤10ppm | <5ppm |
Mercury | ≤1ppm | <1ppm |
Lead | ≤2ppm | <2ppm |
Arsenic | ≤3ppm | <3ppm |
Oxalic Acid | ≤0.2% | <0.2% |
Loss on drying | ≤0.4% | <0.1% |
Residue on ignition | ≤0.1% | <0.1% |
Specific Rotation | +20.5°–+21.5° | +21.0° |
Organic Volatile Impurities | Pass | Pass |
Assay | 99.0-100.5% | 99.92% |
Conclusion | The Above-Mentioned Product Conforms To BP2005/USP30/FCCIV |
vitamin c Storage: Stored in a cool, dry, ventilated place.
Shelf life: 2 years if properly stored
Notice: Avoid light,water and other outside pollution
