Ferrous Sulphate Heptahydrate
98% FeSO4 · 7H2O
Test/Property | Specification | Test Result |
Appearance | Greenish Crystal | |
Purity (FeSO4 7H2O) | ≥ 98.0% | 98.5% |
Ferrous (Fe2+) | ≥ 19.7% | 20.02% |
Lead (Pb) | 20 ppm max | 10 ppm |
Cadmium (Cd) | 5 ppm max | 3 ppm |
Arsenic (As) | 2 ppm max | 1 ppm |
TAG:   Drip Irrigation