| ≥1 piece |
Erythorbic acid.
| Properties | Specifications |
| Appearance | White or slightly yellow crystal powder |
| Identification | Pass test A,B,C |
| Assay | 99.0-100.5% |
| Specific Rotation | -16.5- -18.0 |
| Heavy metal mg/kg | 10 max |
| Lead mg/kg | 5 max |
| Residue on ignition | 0.3%max |
| Loss on drying | 0.4%max |
| PH | 2.2-2.4 |
| Oxalate | Pass test |
| Clarity | Pass test |