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saltpeter    
n. 硝石

硝石

saltpeter
n 1: (KNO3) used especially as a fertilizer and explosive [synonym:
{potassium nitrate}, {saltpeter}, {saltpetre}, {niter},
{nitre}]

Saltpeter \Salt`pe"ter\, Saltpetre \Salt`pe"tre\,
(s[add]lt`p[=e]"t[~e]r), n. [F. salp[^e]tre, NL. sal petrae,
literally, rock salt, or stone salt; so called because it
exudes from rocks or walls. See {Salt}, and {Petrify}.]
(Chem.)
Potassium nitrate; niter; a white crystalline substance,
{KNO3}, having a cooling saline taste, obtained by leaching
from certain soils in which it is produced by the process of
nitrification (see {Nitrification}, 2). It is a strong
oxidizer, is the chief constituent of gunpowder, and is also
used as an antiseptic in curing meat, and in medicine as a
diuretic, diaphoretic, and refrigerant.
[1913 Webster]

{Chili salpeter} (Chem.), sodium nitrate (distinguished from
potassium nitrate, or true salpeter), a white crystalline
substance, {NaNO3}, having a cooling, saline, slightly
bitter taste. It is obtained by leaching the soil of the
rainless districts of Chili and Peru. It is deliquescent
and cannot be used in gunpowder, but is employed in the
production of nitric acid. Called also {cubic niter}.

{Saltpeter acid} (Chem.), nitric acid; -- sometimes so called
because made from saltpeter.
[1913 Webster]


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  • Potassium nitrate - Wikipedia
    In either case, there is linguistic evidence of Chinese origins of the technology: in Damascus, Arabs called the saltpeter used in making gunpowder "Chinese snow," while in Iran it was called "Chinese salt "
  • Saltpetre | Definition, Uses, Facts | Britannica
    saltpetre, any of three naturally occurring nitrates, distinguished as (1) ordinary saltpetre, or potassium nitrate, KNO 3; (2) Chile saltpetre, cubic nitre, or sodium nitrate, NaNO 3; and (3) lime saltpetre, wall saltpetre, or calcium nitrate, Ca (NO 3) 2
  • What is saltpeter used for and is it true it reduces certain “carnal . . .
    The secret turned out to be an impurity, potassium nitrate, more familiar to us as “saltpeter ” Actually, the real secret isn’t even nitrate, it is nitrite Some bacteria in meat are resistant to salt and have the ability to convert nitrates into nitrites
  • Saltpeter or Potassium Nitrate Facts - ThoughtCo
    Saltpeter, or potassium nitrate, is a chemical compound that has been widely used in fertilizers, food preservation, making gunpowder, and more
  • What is Salt Peter? Definition, Uses and Effects
    Saltpeter, also known as potassium nitrate (KNO3), is a chemical compound that consists of potassium, nitrogen, and oxygen Saltpeter has a long history of being used in the production of gunpowder, as it is an essential ingredient
  • Where to Get Potassium Nitrate (Saltpeter) - Science Notes and Projects
    Learn where to get potassium nitrate or saltpeter in household chemicals and how to make it yourself from simple ingredients
  • What Are Some Natural Sources Of Potassium Nitrate?
    Also known as saltpeter, potassium nitrate is a white crystallized compound composed of potassium, nitrogen and oxygen Most commonly used in fireworks, matches and fertilizer, its medical applications include diuretics to reduce high blood pressure
  • Saltpeter in the Military - Snopes. com
    Yes, saltpeter has long rumored to be an anaphrodisiac, a substance that reduces sexual drive But it's all rumor and no fact Saltpeter has a long history of medical use
  • 1 Lb Saltpetre (Potassium Nitrate) - Walmart. com
    Keep your partner faithful and ward off negative energies with our high-quality Saltpetre This versatile product is a must-have for women who want to maintain a strong and loving relationship, as well as for those who seek spiritual protection and purification
  • Saltpeter: The Mother of Gunpowder | Department of History
    Derived from soil enriched with dung and urine, it provided the heart or 'mother' of gunpowder, without which no musket or cannon could be fired Its acquisition involved alchemical knowledge, exotic technology, intrusions into people's lives, and eventual dominance of the world's oceans





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