Agriculture Grade Potassium Nitrate CAS No:7757-79-1:
Molecular Formula:KNO3
CAS No.: 7757-79-1
Relative Molecular Weight: 101.1
Quality Standard: GB 1918-2011
Place of Origin: Shanxi, China (Mainland)
Potassium nitrate is a chlorine-free compound fertilizer with high solubility, and its effective components nitrogen and potassium can be quickly absorbed by crops without chemical residues.Suitable for vegetables, fruits and flowers, and some chlorine-sensitive crops (e.g. potatoes, strawberries, beans, cabbage, lettuce, peanuts, carrots, Onions, blueberries, tobacco, apricots, grapefruit and avocados).
This product can not only improve planting,it can also greatly improve the quality of crops.
|
Index Name
|
First Grade
|
Qualified Grade
|
Agricultural Grade
|
Actual Value
|
|
Purity (KNO3-) % ≥
|
99.4
|
99
|
98
|
99.4
|
|
Water content (H2O) % ≤
|
0.10
|
0.30
|
1.0
|
0.06
|
|
Chloride content (based on Cl) % ≤
|
0.02
|
0.10
|
0.30
|
0.009
|
|
Insoluble substance in water % ≤
|
0.02
|
0.05
|
—
|
0.007
|
|
Sulfate content (based on SO42) % ≤
|
0.01
|
—
|
—
|
0.005
|
|
Fe % ≤
|
0.003
|
—
|
—
|
0.003
|
|
K2O % ≥
|
—
|
—
|
45.5
|
46
|
|
N % ≥
|
—
|
—
|
13
|
13.5
|
