Description
potassium nitrate 99.4%
CAS NO:7757-79-1,14797-55-8
CAS NO:7757-79-1,14797-55-8
EINECS NO.:231-818-8,231-554-3
Molecular Formular:KNO3
Molecular Weight:101.10
Properties : colorless transparent orthorhombic crystal or white powder, RD2.109. MP 334°C.
Specification : Industrial grade potassium nitrate
Packing:Plastic woven bag or kraft paper bag inner with plastic bag in 2 0/25/50/500/1000kg net.
Specification:
|
Inspection Items
|
Unit
|
Industrial Grade
|
First Grade
|
Agricultural Grade
|
|
Purity
|
%≥
|
99.8
|
99.4
|
97.5
|
|
Moisture
|
%≤
|
0.10
|
0.10
|
--
|
|
Chloride(as cl-)
|
%≤
|
0.01-0.03
|
0.02
|
0.80
|
|
Sulphate(as SO42-)
|
%≤
|
0.01
|
0.01
|
--
|
|
Insoluble Matter in Water
|
%≤
|
0.01
|
0.02
|
--
|
|
Fe
|
%≤
|
0.003
|
--
|
--
|
|
Hygroscopicity
|
%≤
|
0.25
|
0.30
|
--
|
|
K2O
|
%≥
|
--
|
--
|
46
|
|
Nitrogen(in nitrate)
|
%≥
|
--
|
--
|
13.5
|
|
Particle Size
|
MM
|
0.2-2.5 2-5
|
||