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Give it purpose—fill it with books, movies, mobiles, cameras, toys and fashion jewellery.
Give it purpose—fill it with books, movies, mobiles, cameras, toys and fashion jewellery.
HS Code:31022100
CAS No.: 7784-25-0
Standard: GB535-1995
Specification:
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 |
- |
- |
Package: 25kg 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.
