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- Size: 1
- Place of Origin: China
- Brand Name: ZHONGCHANG
- Model Number: no
- Weight: 1.000 kg
Ammonium sulphate provides an equal balance of nitrogen and sulphur and can make crops thrive and improve fruit quality and yield and also strengthen resistance to disaster . Ammonium sulphate is the best fast releasing, quick acting and can be used directly for a wide range of soil and crops, and also as seed fertilizers, base fertilizer and additional fertilizer.
Item | Supreme grade | First grade | Qualified grade |
Appearance | no visible mechanical impurity | no visible mechanical impurity | no visible mechanical impurity |
N content(dry basis),% ≥ | 21.0 | 20.8 | 20.5 |
Water content(H2O),% ≤ | 0.5 | 0.7 | 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 | - | - |
- Size: 1
- Place of Origin: China
- Brand Name: ZHONGCHANG
- Model Number: no
- Weight: 1.000 kg