Ammonium Sulphate (fertilizer)
Specifications
white crystal or granularmainly used in fertilizer
less absorb moisture
Index |
Premium grade |
First grade |
Conforming product |
Appearance |
White or off-white granule crystal |
||
N content (dry basis)% ≥ |
21.0 |
21.0 |
20.5 |
Water(H2O)content%≤ |
0.2 |
0.3 |
1.0 |
Free acid(H2SO4)%≤ |
0.03 |
0.05 |
0.20 |
(Iron Fe)content%≤ |
0.007 |
-- |
-- |
Arsenic As)content%≤ |
0.00005 |
-- |
-- |
Heavy metal(pb)% ≤ |
0.005 |
-- |
-- |
Insoluble substance in water %≤ |
0.01 |
-- |
-- |
Storage:
Kept in dry and ventilating place, avoid moisture, water, rain and fire. Avoid shipment with acid, alkali class, edible orange mix of chemicals. Common transportation tools.
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