Appearance:colorless crystal or white powder
Specification:
|
Index name
|
Premium grade
|
First grade
|
Second grade
|
|
sodium nitrate%
|
≥99.5
|
≥99.3
|
≥98.5
|
|
Chloride%
|
≤0.15
|
≤0.24
|
-
|
|
sodium nitrite%
|
≤0.01
|
≤0.02
|
≤0.15
|
|
sodium carbonate%
|
≤0.05
|
≤0.10
|
-
|
|
Moisture%
|
≤1.5
|
≤1.8
|
≤2.0
|
|
Water insoluble matter%
|
≤0.03
|
≤0.06
|
-
|
|
Fe(Fe)%
|
≤0.005
|
≤0.005
|
-
|
Application: It is mainly used in glass industry, dye industry,medicine and fertilizers etc.