Ammonium sulfate is commonly used as one of the raw materials for nitrogen fertilizers. Due to its content of nitrogen and sulfur elements, it can provide two essential nutrients for plants, promoting the growth and development of vegetation.
Model: Fertilizer Grade
Brand：Wangqian
Code:
Appearance: White or light gray, in the form of powder or crystals, free from visible mechanical impurities.
Specification:
Item | Standard | Result |
N | 20.5% min | 21% |
S | 24% min | 25.1% |
H2SO4 | 0.05% max | 0.00% |
H2O | 0.5% max | 0.3% |
Water insoluble | 0.5% max | 0.1% |
Cl- | 1.0% max | 0.3% |
F | 500 ppm max | 10 ppm |
Hg | 5 ppm max | 0.1 ppm |
As | 10 ppm max | 0.1 ppm |
Cd | 10 ppm max | 0.1 ppm |
Pb | 50 ppm max | 0.1 ppm |
Cr | 50 ppm max | 0.3 ppm |
PAHs (in total) | 1.0 ppm max | 0.9 ppm |
Packing: 50kg or 1000kg per bag.
