NO.1 Through recrystallization, FeSO4·H2O is highly purified, with few impurities (Fe≥31%).Chemical name:Ferrous Sulfate
Formula:FeSO4.H2O
Molecular weight:169.92
Appearance: Cream powder, anti-caking ,good fluidity
Physical and Chemical indicator:
| Item | Indicator |
| FeSO4.H2O ≥ | 91.3 |
| Fe 2+Content, % ≥ | 30.0 |
| Fe 3+Content, % ≤ | 0.2 |
| Total arsenic (subject to As), mg / kg ≤ | 2 |
| Pb (subject to Pb), mg / kg ≤ | 5 |
| Cd(subject to Cd),mg/kg ≤ | 2 |
| Hg(subject to Hg),mg/kg ≤ | 0.2 |
| Water content,% ≤ | 0.5 |
| Fineness (Passing rate W=180µm test sieve), % ≥ | 95 |
It has the professional technicist and inspector to ensure the product with stable quality.