Diccionario | |||
Wikipedia La enciclopedia | |||
Commons: en Imágenes | |||
Wikcionario Diccionario | |||
Wikiquote Colección de citas | |||
CeraWiki Enciclopedia Cerámica |
español: Nitrato de potasio.
English: Potassium nitrate is a chemical compound with the formula KNO3. It occurs as a mineral niter and is a natural solid source of nitrogen. Its common names include saltpetre (saltpeter in American English), from Medieval Latin sal petræ: "stone salt" or possibly "Salt of Petra" and nitrate of potash. The name Peru saltpetre or Chile saltpetre (American Peru saltpeter or Chile saltpeter) refers not to potassium nitrate but to a similar chemical sodium nitrate. Major uses of potassium nitrate are in fertilizers, rocket propellants and fireworks. When used as a food additive in the European Union, the compound is referred to as E252.