Potassium nitrate
Standard: GB1918-1998
Specification:Industrial grade; Agricultural grade; High pure (crystal with big granularity)
Potassium nitrate KNO3, Molecular weight: 101.11,Potassium Nitrate is colorless crystal or white powder. It is easily soluble in water, and insoluble in alcohol. It can not deliquesce in the air
It is mainly applied in TV glass, glass refining agent and motor light glass; compound fertilizer and foliar spray fertilizer; fireworks and black powder; drugs and catalyst; ceramic and enamel; salt both of heat treatment, cigarette paper, concentrating agent; as chromogen agent, preserving agent in food industry.
Packing: 25/50kg, film lined plastic woven bag.
|
Index name |
|
High pure |
Top grade |
First grade |
Agricultural grade |
|
Potassium nitrate (KNO3) |
≥ |
99.9% |
99.8% |
99.4% |
98.0% |
|
Moisture |
≤ |
0.10% |
0.10% |
0.10% |
0.10% |
|
Chloride (as Cl-) |
≤ |
0.005% |
0.01% |
0.01% |
0.10% |
|
Water Insoluble Matter |
≤ |
0.005% |
0.01% |
0.01% |
0.10% |
|
Sulfate (as SO42-) |
≤ |
0.003% |
0.005% |
0.005% |
--- |
|
Absorption rate of moisture |
≤ |
0.20% |
0.25% |
0.30% |
--- |
|
Fe |
≤ |
0.001% |
0.003% |
0.003% |
--- |
|
Potassium oxide (K2O) |
≥ |
--- |
--- |
--- |
46.0% |
|
N |
≥ |
--- |