Description
Standard: GB/T 4553-2002
Molecular formula: NaNO3
Molecular weight: 84.99
| Specifications | Excellent | First grade | Qualified |
| Purity(NaNO3),%≥ | 99.7 | 99.3 | 98.5 |
| Moisture, %≤ | 1.0 | 1.5 | 2.0 |
| Chloride (NaCl), %≤ | 0.25 | 0.30 | – |
| Water insoluble (as dry base),%≤ | 0.03 | 0.06 | – |
| NaNO2, %≤ | 0.01 | 0.02 | 0.15 |
| Fe,%≤ | 0.005 | 0.005 | – |
| NaNO3,%≤ | 0.05 | 0.10 | – |
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