| 释义 |
potassium nitratenoun [mass noun]A white crystalline salt which occurs naturally in nitre and is used in preserving meat and as a constituent of gunpowder.Fertilizers containing high amounts of nitrate of soda, muriate of potash, potassium nitrate and ammonium nitrate can cause the highest accumulated salts....- Several formulations are available, and all are based on fertilizers such as urea, ammonium nitrate, ammoniated phosphates, potassium sulfate, potassium nitrate.
- The first chemical explosive was gunpowder, or black powder, a mixture of charcoal, sulfur, and potassium nitrate.
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