potassium nitrate

基本解释

Then they immerse this electrode in a potassium nitrate electrolyte solution.
最后他们把电极放在钠硝酸盐电极的溶液中进行沉淀。
During the day, energy is stored by heating up large tanks of molten salt composed of a mixture of 60 percent potassium nitrate and 40 percent sodium nitrate.
白天，能量通过加热庞大容器里的熔融盐保存起来，熔融盐由60%的硝酸钾和40%的硝酸钠组成。
Winthrop often treated kids with his top secret cure-all "rubila, " later revealed by Oliver Wendell Holmes to be a mix of antimony and saltpeter, a precursor to the explosive potassium nitrate.
温斯洛浦经常给孩子们开他的顶级秘方——包治百病的“rubila”。后来，奥利佛·文戴尔·赫尔姆斯发现就是锑和硝石的混合物，也就是易爆物硝酸钾的前身。

Current molten salt mixes are typically 60% sodium nitrate and 40% potassium nitrate.
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And David Laird, of America's Department of Agriculture, showed that biochar even helped the rich soil of America's Midwest by reducing the leaching from it of a number of nutrients, including nitrate, phosphate and potassium.
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a colourless or white crystalline compound used in gunpowders, pyrotechnics, fertilizers, and as a preservative for foods, esp as a curing salt for ham, sausages, etc (E252). Formula: KNO3 (Also called saltpetre, nitre)