Sodium nitrate is popular used in industry.In many factories,it is used as cutting fluid to coold and lubricating the cutter.
Specificition:
| TTEM | Acceptable class | Superior class |
| SODIUM NITRATE | ≥99.3% | ≥99.5% |
| Chloride(NaCl) | ≤0.5% | ≤0.05% |
| Insolubles in water | ≤0.03% | ≤0.03% |
| Iron (as dry dasis) | ≤0.005% | ≤0.004% |
