| ≥1 piece |
Ascorbic Acid (Vitamin C )
Standard: USP30,
99.0%-100.5%
very competitive price
Ascorbic Acid (Vitamin C) USP30
COA:
| Analysis | Analysis Standard | Analysis Results |
| Description | White or almost white crystals or crystalline powder | Pass |
| Identification | Positive Reaction | Positive |
| Melting Point | 190-192 | 191.1 |
| PH | 2.1-2.6 | 2.43 |
| Clarity Of Solution | Clear | Clear |
| Colour Of Solution | ≤BY 7 | < BY 7 |
| 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% | <0.4% |
| Residue on ignition | ≤0.1% | <0.1% |
| Specific Rotation | +20.5°-+21.5° | +20.9° |
| Organic Volatile Impurities | Pass | Pass |
| Assay | 99.0-100.5% | 99.95% |
| Conclusion | The Above-Mentloned Product Conforms To BP2005/USP30 | |
| CAS No.: 50-81-7 | Other Names: vitamin c | MF: C6H8O6 |
| Place of Origin: Anhui China (Mainland) | Type: Antioxidants | Brand Name: LANDY |
| Model Number: USP food grade |