Saltpeter - definizione. Che cos'è Saltpeter
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Cosa (chi) è Saltpeter - definizione

CHEMICAL COMPOUND
Salt peter; Saltpetre; Chilean saltpetre; KNO3; Potasium Nitrate; Nitrate of potash; Potassium Nitrate; E252; Salt petre; Salt Peter; Pottasium nitrate; Kno3; Vesta powder; Saltpeteir; Saltpeter; Sal petrae; Nitre bed; Nitre beds
  • A demonstration of the oxidation of a piece of [[charcoal]] in molten potassium nitrate
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Saltpeter         
·noun ·Alt. of Saltpetre.
nitre         
MINERAL FORM OF POTASSIUM NITRATE
Potash niter; Potash nitre; Niter paper; Saltpetar; Synthetic saltpeter; Saltpetreman; Salitrose; 🜕; Saltpeter making; Nitraries; Nitre; Chilean nitre
['n??t?]
(US niter)
¦ noun potassium nitrate; saltpetre.
Origin
ME: from OFr., from L. nitrum, from Gk nitron.
Nitre         
MINERAL FORM OF POTASSIUM NITRATE
Potash niter; Potash nitre; Niter paper; Saltpetar; Synthetic saltpeter; Saltpetreman; Salitrose; 🜕; Saltpeter making; Nitraries; Nitre; Chilean nitre
·noun ·see Niter.
II. Nitre ·noun Native sodium carbonate; natron.
III. Nitre ·noun A white crystalline semitransparent salt; potassium nitrate; saltpeter. ·see Saltpeter.

Wikipedia

Potassium nitrate

Potassium nitrate is a chemical compound with a sharp, salty, bitter taste and the chemical formula KNO
3
. This alkali metal nitrate salt is also known as Indian saltpetre (large deposits of which were historically mined in India). It is an ionic salt of potassium ions K+ and nitrate ions NO3, and is therefore an alkali metal nitrate. It occurs in nature as a mineral, niter (or nitre in the UK). It is a source of nitrogen, and nitrogen was named after niter. Potassium nitrate is one of several nitrogen-containing compounds collectively referred to as saltpeter (or saltpetre in the UK).

Major uses of potassium nitrate are in fertilizers, tree stump removal, rocket propellants and fireworks. It is one of the major constituents of gunpowder (black powder). In processed meats, potassium nitrate reacts with hemoglobin and myoglobin generating a red color.