 |
| Item | Standard |
| Appearance | White crystal or crystalline powder |
| Specific rotation | -15.5~17.5º |
| Loss on drying | ≦0.5% |
| Residue on ignition | 0.1%max |
| Transmittance | 98%min |
| Sulfate | 0.048%max |
| Ammonium salt | 0.020%max |
| Iron ion | 0.001%max |
| Heavy metal | 10ppm max |
| Arsenic salt | 1ppm max |
| solvent remains | Ethanol0.3%max |
| relative substance | GSSG≦1.2% |
| Total impurity | 1.8%max |
| Assay | 98%min |
Usage
Used for Food additives
Storage
It should be sealed and shaded to be stored in a dry, cool, well ventilated place.
| Item | Standard |
| Appearance | White crystal or crystalline powder |
| Specific rotation | -15.5~17.5º |
| Loss on drying | ≦0.5% |
| Residue on ignition | 0.1%max |
| Transmittance | 98%min |
| Sulfate | 0.048%max |
| Ammonium salt | 0.020%max |
| Iron ion | 0.001%max |
| Heavy metal | 10ppm max |
| Arsenic salt | 1ppm max |
| solvent remains | Ethanol0.3%max |
| relative substance | GSSG≦1.2% |
| Total impurity | 1.8%max |
| Assay | 98%min |
Usage
Used for Food additives
Storage
It should be sealed and shaded to be stored in a dry, cool, well ventilated place.
