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By certification 
Specifications:
| Item | Index | Index | ||
| GB14591(â… ) | GB14591(â…¡) | Typical measured values (â… ) | Typical measured values(â…¡) | |
| Full ferric Fe2O3%≥ | 11 | 18.5 | 12 | 21.5 |
| Fe2 %≤ | 0.15 | 0.15 | 0.10 | 0.10 |
| Basicity % | 9.0-14.0 | 9.0-14.0 | 9.0-14.0 | 9.0-14.0 |
| PH（1%water solution） | 2.0-3.0 | 2.0-3.0 | 2.0-3.0 | 2.0-3.0 |
| As | 0.0008 | 0.0008 | 0.0001 | 0.0001 |
| Pb | 0.0015 | 0.0015 | 0.0006 | 0.0006 |
| Water-insoluble %≤ | 0.5 | 0.5 | 0.1 | 0.1 |
Applications/Usages:
Mainly used on various industrial wastewater treatment, such as paper-making wastewater, municipal wastewater, oily wastewater, and chemical wastewater. 。
