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Ascorbic Acid (VC)
- HS CODE:29362700
- CAS CODE:50-81-7
- Qty in 20' FCL:22MT
- Min Order:500KGS
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Test Item | BP2015/USP38/E300/FCC9/EP8.5 |
Characters | White or almost white Crystals Crystalline powder |
Identification | Positive reaction |
Melting point | About 190℃ |
PH（with 2% water solution） | 2.4---2.8 |
PH（with 5% water solution） | 2.1---2.6 |
Clarity of solution | Clear |
Colour of solution | ≤BY7 |
Copper | ≤5ppm |
Heavy metals | ≤10ppm |
Mercury | ＜0.1ppm |
Lead | ＜2ppm |
Arsenic | ≤3ppm |
Cadmium (CD) | ＜1ppm |
Oxalic acid | ≤0.2% |
Iron | ≤2ppm |
Loss of drying | ≤0.4% |
Sulphate ash (residue on ignition) | ≤0.1% |
Specific optical rotation | +20.5°----+21.5° |
Residual Solvents | pass |
Organic volatile impurities | Pass |
Assay | 99.0%---100.5% |
