Performance Index:
Item | Index | |
GB14591-2006(Ⅱ) | this product | |
Total iron content , % , ≥ | 18.5 | 19.1 |
Reducing substance(calculated with Fe2+)content % , ≤ | 0.15 | 0.01 |
Basicity , % | 9.0-14.0 | 9.0 |
PH (1% aqueous solution) | 2.0-3.0 | 2.4 |
Arsenic(As) content , % , ≤ | 0.0008 | 0.0001 |
Lead(Pb) content , % , ≤ | 0.0015 | 0.0001 |
Insoluble substance , % , ≤ | 0.5 | 0.4 |