Index Name |
First Grade |
Purity (NaNO3-),% ≥ |
99.0 |
Water content (H2O),% ≤ |
1.0 |
Insoluble substance in water,% ≤ |
0.06 |
Chloride (NaCl-),% ≤ |
0.30 |
NaNO2, % ≤ |
0.02 |
Fe,% ≤ |
0.005 |
NaCO3,% ≤ |
0.10 |
Granular size |
2-4mm |