Complaint
| Item | Specification |
| Appearance | White powder |
| Purity | 98% min. |
| PH value | 7 - 9 |
| Moisture | 1.0% max. |
| Water insoluble matters | 1.0% max. |
| Chloride (Cl) | 300 ppm max. |
| Particle size 0.8 μ throughput rate 2.5 μ throughput rate 7.5 μ throughput rate 24 μ throughput rate | 10% min. 50% min. 90% min. 98% min. |
| | 3 ppm max. |
| Cd | 5 ppm max. |
| Hg | 3 ppm max. |
| Br | 5 ppm max. |
| I | 5 ppm max. |
