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Potassium nitrate is a chemical compound with a sharp, salty, bitter taste and the chemical formula K N O 3.It is a potassium salt of nitric acid.This salt consists of potassium cations K + and nitrate anions NO − 3, and is therefore an alkali metal nitrate.
Another name for potassium nitrate (KNO 3), saltpetre, also called saltpeter or nitrate of potash, has been a common ingredient of some types of salted meat for centuries [5] but its use has been mostly discontinued due to inconsistent results compared to nitrite compounds (KNO 2, NaNO 2, NNaNO 2, etc.)
Potash (/ ˈ p ɒ t æ ʃ / POT-ash) includes various mined and manufactured salts that contain potassium in water-soluble form. [1] The name derives from pot ash , plant ashes or wood ash soaked in water in a pot, the primary means of manufacturing potash before the Industrial Era .
A worker collects effloresced saltpeter from deposits, transporting it then to be concentrated in the factory (A) boilers. A saltpetre works or nitrary [ 1 ] is a place of production of potassium nitrate or saltpetre used primarily for the manufacture of gunpowder .
Controlling the temperature influenced the power and consistency of the finished gunpowder. In 1863, in response to high prices for Indian saltpeter, DuPont chemists developed a process using potash or mined potassium chloride to convert plentiful Chilean sodium nitrate to potassium nitrate. [138]
In the sixteenth century, heap leaching became commonly used to extract copper and saltpeter from organic matter. [4] Primarily used in Germany and Spain, pyrite would be brought to the surface and left out in the open. [4] [3] The pyrite would be set outside for months at a time, where rain and air exposure would lead to chemical weathering. [4]
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Saltpeter (or saltpetre) is the mineral form of potassium nitrate (KNO 3), a compound It may also sometimes refer to: Sodium nitrate (NaNO 3), a compound Chile saltpeter or nitratine, the mineral form; Norwegian saltpeter or calcium nitrate (Ca(NO 3) 2) Magnesium nitrate (Mg(NO 3) 2)