Item | Specifications |
Appearance | White to slightly yellow crystal or crystalline powder without odor |
Specific rotation | +95~97 |
Heavy metal | ≤10.0mg/kg |
Fluoride | ≤0.001% |
Residue on ignition | ≤0.1% |
Purity content | ≥99% |
Arsenic | ≤3mg/kg |
Lead | ≤2 mg/kg |
Fe | ≤2 mg/kg |
Copper | ≤5 mg/kg |
Magnesium | 5%~7% |
Ascorbic acid | 80~83% |
Crystalline malic acid | 7%~8% |
Crystal water | 4%~5% |
Brand name | Fousi chemical |
Packing: 25Kg/srum
The package is complete and lightly loaded; the warehouse is ventilated away from flames, high temperature, oxidants and acids.