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Nitrogen Potassium Compound Fertilizer CAS No:7757-79-1
Nitrogen Potassium Compound Fertilizer 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 chemical compound with the formula KNO3. It is an ionic salt of potassium ions K+ and nitrate ions NO3−.
Both nitrate nitrogen and potassium are a large number of elements necessary for the growth of crops, and they have a good coordination effect, which can promote the absorption of crops and other nutrients.
|
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
|
|
|
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