- Description
Ammonium Sulphate price (industry grade,agricultural grade N 21% nitrate fertilizer (NH4)2SO4)
Ammonium sulfate is colorless crystal or white crystalline powder. It is easily soluble in water but insoluble in alcohol, acetone and ammonia. It is not used as fertilizer, but also can be used in metallurgy, medicine, textile and plating and so on.
Index Name | Unit | Industrial grade | Agricultural grade |
Nitogen(N) content(bases on dry basis) | % ≥ | 21.0 | 20.5 |
Water content(H2O) | % ≤ | 0.2 | 1.0 |
Free acid(H2 SO4) | % ≤ | 0.05 | 0.20 |
Iron (Fe) | % ≤ | 0.007 | – |
Arsenic(As) | % ≤ | 0.00005 | – |
Heavy metal(bases on Pb) | % ≤ | 0.005 | – |
Insoluble substance in water | % ≤ | 0.05 | – |