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Industrial Grade Potassium Nitrate CAS No:7757-79-1
Industrial 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)
It occurs as a mineral niter and is a natural solid source of nitrogen. Potassium nitrate is one of several nitrogen-containing compounds collectively referred to as saltpeter or saltpetre.
It can cause combustion or explosion in contact with reducing agent carbon, sulfur, titanium and other metal powders.
|
Index Name
|
Qualified Grade
|
Agricultural Grade
|
Actual Value
|
|
Purity (KNO3-) % ≥
|
99
|
98
|
99.4
|
|
Water content (H2O) % ≤
|
0.30
|
1.0
|
0.06
|
|
Chloride content (based on Cl) % ≤
|
0.10
|
0.30
|
0.009
|
|
Insoluble substance in water % ≤
|
0.05
|
—
|
0.007
|
|
Sulfate content (based on SO42) % ≤
|
—
|
—
|
0.005
|
|
Fe % ≤
|
—
|
—
|
0.003
|
|
K2O % ≥
|
—
|
45.5
|
46
|
|
N % ≥
|
—
|
13
|
13.5
|
|
|
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