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Specifications

Sodium nitrate

 Molecular formula :NaNO3　　　　

 Molecular weight:85

 Property:
   It is white or yellowish crystal, easily soluble in water; has hygroscopy; decomposed at 380°C.

 Quality index:GB/T4553-93

  Appearance:
  White fine cystal, quality index below:
Item
Index
Type I
Type II
Best quality
First quality
Qualifier
Best quality
NaNO3 content(dry basis) %≥
99.5
99.3
98.5
99.5
Moisture %≤
1.5
1.8
2.0
0.5
Water insolubles content %≤
0.03
0.06
-
0.03
Chloride(Cl) content(dry basis) %≤
0.15
0.24
-
0.09
Sodium nitrite(NaNO2) content(dry basis) %≤
0.01
0.02
0.15
0.01
Na2CO3 content(dry basis) %≤
0.05
0.10
-
0.05
Ferrum content %≤
0.005
-
0.005
Bulk density(screen test)grain size less than 4.75mm %≥
90
  Use: Mainly used in such areas as chemical, glass, dyestuff etc.
  Packing:In plastic woven bag lined with PE film, net weight 50kg/bag
  Storage and transport: Transported in railway box wagon; stored in airy and dry place, avoid acid and alkali, and inflammable or explosive matters.