|
Sodium
nitrite |
|
Molecular formula: |
NaNO2
|
Standard: |
in conformity with
GB/T 633-1994 |
Appearance: |
White
or light yellow crystalline |
|
|
A.R. |
C.P. |
NaNO2
,% 
|
99.0 |
98.0 |
Clarity |
pass |
pass |
Water insoluble
substances ,% |
0.002
|
0.01 |
Chloride(Cl),%
|
0.005
|
0.04 |
Sulfate(SO4),%
 |
0.005
|
0.03 |
K ,% |
0.001
|
0.005 |
Ca ,% |
0.005
|
- |
Fe ,% |
0.0005
|
0.001 |
Heavy metal(Pb),%
|
0.0002
|
0.001 |
|
|
|
|
|