Ammonium sulfate N21%
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China, Heze
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Description
1. Brief description:
Product name: Ammonium sulfate
MF:(NH4)2SO4
CAS NO.: 7783-20-2
EINECS NO.: 231-984-1
Purity:99% min
Nitrogen content:21% min
Appearance:White crystal or powder or granule
Standard: GB535-1995
2. Specification:
Ammonium Sulphate Item | 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 | - | - | |
Note: When ammonium sulphate is used in agriculture, it is not necessary to check the content of Fe, As, heavy metal and water insolubles. |
3. Usage:
1)Nitrogenous in agricultural industry, Used for chemical fertilizers and for production of complex fertilizers,potassium sulphate,ammonium chloride and ammonium persulpate,ect.
2)Also can be used for food processing,textile industry,medical industry and leather processing.
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Ammonium sulfate N21%
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