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单词 potassium nitrate
释义

Definition of potassium nitrate in English:

potassium nitrate

noun
mass noun
  • A white crystalline salt which occurs naturally in nitre and is used in preserving meat and as a constituent of gunpowder.

    Chemical formula: KNO₃

    Example sentencesExamples
    • The first chemical explosive was gunpowder, or black powder, a mixture of charcoal, sulfur, and potassium nitrate.
    • The Chinese discovered it before 1000 A.D. during the Sung Dynasty, using a compound of charcoal, potassium nitrate, and sulfur to produce powerful rockets and fireworks.
    • The flux also might contain silica, borax, soda ash, potassium nitrate and household flour.
    • Several formulations are available, and all are based on fertilizers such as urea, ammonium nitrate, ammoniated phosphates, potassium sulfate, potassium nitrate.
    • Fertilizers containing high amounts of nitrate of soda, muriate of potash, potassium nitrate and ammonium nitrate can cause the highest accumulated salts.
 
 

Definition of potassium nitrate in US English:

potassium nitrate

noun
  • A white crystalline salt, occurring naturally and produced synthetically, used in fertilizer, as a meat preservative, and as a constituent of gunpowder.

    Chemical formula: KNO₃

    Also called saltpeter or niter
    Example sentencesExamples
    • Several formulations are available, and all are based on fertilizers such as urea, ammonium nitrate, ammoniated phosphates, potassium sulfate, potassium nitrate.
    • The flux also might contain silica, borax, soda ash, potassium nitrate and household flour.
    • The Chinese discovered it before 1000 A.D. during the Sung Dynasty, using a compound of charcoal, potassium nitrate, and sulfur to produce powerful rockets and fireworks.
    • The first chemical explosive was gunpowder, or black powder, a mixture of charcoal, sulfur, and potassium nitrate.
    • Fertilizers containing high amounts of nitrate of soda, muriate of potash, potassium nitrate and ammonium nitrate can cause the highest accumulated salts.
 
 
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更新时间:2024/12/23 15:52:43