China Ferrous Sulphate Monohydrate 91% Powder Granular Feed Grade Industrial Grade, Find details about China Ferrous Sulfate 91% Pure Powder, Chemical Ferrous Sulfate Powder from Ferrous Sulphate Monohydrate 91% Powder Granular Feed Grade Industrial Grade
Testing Item | Standard | Result |
Purity/% | ≥91 | 91.35 |
Ferrum (Fe)/% | ≥30 | 30.15 |
Cuprum(Cu)/% | - | 0.0001 |
Arsenic (As)/% | ≤0.0005 | 0.0003 |
Heavy Metal (Pb)/% | ≤0.0020 | 0.0004 |
Cadmium(Cd)/% | ≤0.0010 | 0.0003 |
Water Insoluble/% | ≤0.5 | 0.2 |
Size(powder pass 0.5mm test sieve)/% | ≥95 | conforms |
Size(granule pass 2mm test sieve)/% | ≥90 | conforms |
Note: When a user with special requirements for fineness, negotiated by the supply and demand sides |