Complaint
| Item | Standard | Result |
| Appearance | White crystals or crystalline powder | Passed |
| Na2SO4 | ≥99.0% | 99.60% |
| NaCL | ≤0.35% | 0.005% |
| Fe | ≤0.002% | 0.001% |
| Mg(Ca,Mg) | ≤0.15% | 0.01% |
| Water Non-dissolved Matter | ≤0.05% | 0.04% |
| Whiteness | ≥88% | 92% |
| Moisture | ≤0.20% | 0.02% |
| Ph | 6-9 | 8.09 |
