- Guaranteed Secure Payments on Every Order
- Refund if your item is not delivered or as described
- Buyer Protection after order confirmation
- Size: 1
- Place of Origin: China
- Brand Name: ZHONGCHANG
- Model Number: no
- Weight: 1.000 kg
Specifications:
Nitrogen:21%min Moisture:1.0max
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 | - | - |
| Packaging Details: | 25kg/pp bag, 50kg/ pp bag, 1000kg / jumbo bag ,1200kg/jumbo bag |
| Delivery Detail: | Within 7~10 days after order confirmation |
- Size: 1
- Place of Origin: China
- Brand Name: ZHONGCHANG
- Model Number: no
- Weight: 1.000 kg