Ascorbic acid
Ascorbic acid
share
Ascorbic acid
- Detail
- Parameters
Items | Standard |
Appearance | White crystalline powder |
Identification | Positive |
Clarity of solution | Clear |
Color of solution | £BY7 |
Assay | 99.0~100.0% |
Loss on Drying | ≤0.4% |
Residue on ignition | £0.1% |
Sulphate Ash | £0.1% |
Specific rotation | +20.5°~ +21.5° |
pH(with 2% water solution） | 2.4-2.8 |
PH(with 5% water solution） | 2.1-2.6 |
Melting range | About 190℃ |
Heavy metals | £3ppm |
Iron | £2ppm |
Copper | £5ppm |
Oxalic acid | £0.2% |
Arsenic | £1ppm |
Lead | £3ppm |
Cadmium | £1ppm |
Mercury | £1ppm |
Organic volatile impurities | Meets the requirements |
Related Substances | ImpurityC≤0.15% ImpurityD≤0.15% Any Other Unspecific Impurities Impurity≤0.10% Total Impurity≤0.2% |
Brand
WNN
Other name
Vc
Specification
BP2010, E300, USP32, FCC7, EP 7
CAS NO.
50-81-7
Packing
25kg/bag
Ascorbic acid
 |