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1 Metric Ton |
Negotiable |
fertilizer AS Ammonium sulphate
Small hygroscopicity
Not easy to agglomerate
Easier to store
1.Property:
White or off-white granular.Easily soluble in water. Aqueous solution appears acid. Insoluble in alcohol, acetone and ammonia. Easily deliquescent in the air.
2.Specification:( National Standard GB535-1995)
Index |
Supreme Grade |
First Grade |
Qualified Grade |
Appearance |
White or off-white granula crystal,no visible mechanical impurity |
||
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 |
-- |
-- |
Note: When ammonium sulfate is used in agriculture,it is not necessary to check the content of Fe,As,heavy metal and water insolubles. |
3.Packing: ( plastic lined, plastic woven bags)
4.Application:
Mainly used as fertilizer, applicable to all kinds of soil and crop. Can also be used in textile, leather, medicine, etc.
5.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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