Caprolactam Ammonium Sulphate
Ammonium sulphate
N>21
Moisture %<0.3
Free acid:0.05% max
SGS test
Technical specifications of Ammonium Sulphate( National Standard GB535-1995)
Item |
Supreme grade |
First grade |
Qualified grade |
Appearance |
White crystal |
White crystal |
white granular |
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 |
- |
- |
Caprolactam grade Ammonium sulphate fertilizer
Pure white
dry enough
Nitrogen Content:21% min
Moisture:0.3 % Max
Appearance:more hard and no powder
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