Packaging: Inner plastic and outer woven, net weight 20Kg, 25Kg, 50Kg per bag, stored in a ventilated and dry place
英文名称：Potassium nitrate
CAS：7757-79-1
Molecular formula: KNO3
Molecular weight: 101.10
【 Appearance 】 Colorless transparent crystal or white crystal, with deliquescence. Relative density 2.11, melting point 330 ℃. Easy to dissolve in water, soluble in ethanol and glycerol, insoluble in anhydrous ethanol. Has strong oxidizing properties.
application area
High purity fireworks potassium is mainly used in fireworks, black powder, matches, fuses, candle cores, tobacco, and other industries where potassium nitrate is used as an auxiliary material.
Execution standard: GB/T1918-1998
| Project | Indicator | ||||
| Molten salt grade | Superior products | first-grade products | Qualified products | Factory standard | |
| 硝酸钾含量 ω/% ≥ | 99.8 | 99.7 | 99.4 | 99.0 | 99.9(干基) |
| 水分 ω/% ≤ | 0.10 | 0.10 | 0.10 | 0.30 | 0.1 |
| CI化物(以CI计)ω/%≤ | 0.005 | 0.01 | 0.02 | 0.10 | <0.005 |
| 水不溶物ω/% ≤ | 0.005 | 0.01 | 0.02 | 0.05 | 0.005 |
| Sulfate (calculated as SO4) ω/% ≤ | 0.005 | 0.005 | 0.01 | —— | 0.005 |
| Fe ω/% ≤ | 0.003 | 0.003 | — | —— | 0.003 |
| Moisture absorption rate | <0.2 | ||||
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