Item | Specification | Test Results |
Content(FeSO 4 .H 2 O) % | 91.0% | 91 .1 % |
Appearance | Off-white Powder or Granular | Pass |
Fe % | ≥30.0 | 30. 1 |
Heavy Metal (Pb) | 15ppm MAX | 8ppm |
Cd | 3ppm MAX | 2ppm |
As | 2ppm MAX | 1ppm |
Hg | 0.1 ppm max | 0.005 ppm |