Specification:
| Appearance | White crystal | White crystal |
| Total acid (%) | ≥99.0 | 99.57 |
| Chloride (ppm) | ≤10 | 2 |
| Sulfates (ppm) | ≤10 | 0 |
| Iron (ppm) | ≤10 | 0.37 |
| Moisture (%) | ≤0.5 | 0.21 |
| Appearance | White crystal | White crystal |
| Total acid (%) | ≥99.0 | 99.57 |
| Chloride (ppm) | ≤10 | 2 |
| Sulfates (ppm) | ≤10 | 0 |
| Iron (ppm) | ≤10 | 0.37 |
| Moisture (%) | ≤0.5 | 0.21 |