Gunpowder is composed of sulfur, carbon, and potassium nitrate.

火药是由硫 、 碳和硝酸钾组成.

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And ammonia had effective selectivity for the separation of potassium nitrate.

氨对硝酸钾的选择分离结晶效果较好.

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Agricultural potassium nitrate and ammonium chloride are produced double decomposition from potassium chloride and ammonium nitrate.

用氯化钾与硝酸铵为原料,采用复分解法生产农用硝酸钾与氯化铵.

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The chloride - free potash fertilizer include potassium sulphate, potassium nitrate, potassium dihydrogen phosphate and so on.

我国目前生产的无氯钾肥主要有硫酸钾 、 硝酸钾和磷酸二氢钾等.

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Transparent, colourless, or white powder or crystals of potassium nitrate ( KNO 3 ) , found native in deposits.

硝石:硝酸钾的无色透明白色的粉末或结晶体, 产于天然的矿床.

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