| Item | Index | Results |
| Appearance | White powder | White powder |
| Content | ≥98.00% | 98.8% |
| Acidity | ≤0.05% | 0.03% |
| Melting point | 62-67℃ | conform |
| Sulphate ash | ≤0.1% | conform |
| Pb | ≤2mk/kg | 1.8mk/kg |
| Hg | ≤3mk/kg | 2.6mk/kg |
| Ni | ≤2mk/kg | 1.5mk/kg |
| Conclusion | The results conforms with Enterprise standards | |
| Brand name | Fousi chemical | |
Packing: 25kg/drum
Stored in cool dry ventilated place away from fire, heat, light, acids and food materials