| Technical parameter |
| Project indicators |
Index |
| Appearance |
The size is basically the same, the color is pure white, the strength is good, and there are no impurities. (5 mesh filter, oversized particles ≤ 8%, 12 mesh filter, small particles ≤ 8%), no foreign objects. |
| Moisture |
≤0.10% |
| Burning residue |
≤0.05% |
| Content |
≥99.5% |
| PH value（25℃） |
5.0～6.0 |
| Sodium salt |
Light yellow to golden transparent liquid |
| Turbidity |
≤10NTU |
| Melting point |
83℃～87℃ |
| Acid solubility |
The solution is clear and transparent, without turbidity or impurities |
| Absorbance T |
≤0.1 |
| Color code (10% ethanol solution) |
≤45Hazen |
| Alcohol solubility |
Clear and transparent, without impurities |
|
