Ammonium Sulphate (21-0-0)
ammonium sulphate fertilizer made in china
Storage and transportation:
Stored in cool,dry and ventilated warehouse. It must not be put together with Alkali stuffs,such as lime,cement,etc.Do not expose it to sunlight and rain during transportation .Do not damage the packing bags.
Application: Used for chemical fertilizers and for production of complex fertilizers,potassium sulphate,ammonium chloride and ammonium persulpate,ect. Also can be used for food processing,textile industry,medical industry and leather processing.
| tem |
Supreme grade |
First grade |
Qualified grade |
| Appearance |
White crystal,no visible mechanical impurity |
no visible mechanical impurity |
no visible mechanical impurity |
| N content(dry basis),% ≥ |
21.0 |
21.0 |
20.5 |
| Water content(H2O),% | 0.2 |
0.3 |
1.0 |
| Free acid(H2SO4)content,% ≤ |
0.03 |
0.05 |
0.20 |
| Fe content, % ≤ |
0.007 |
- |
- |
| As content,% ≤ |
0.00005 |
- |
- |
| Heavy metal(Pb)content,% ≤ |
0.005 |
- |
- |
| Water insolubles,% ≤ |
0.01 |
- |
- |
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