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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
  • 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
  • The Versatile Ingredient: What is Saltpeter Used for in Cooking
    Saltpeter, or potassium nitrate, is a chemical compound found naturally in mineral deposits and can also be produced synthetically Historically, it has been used in various applications, including as a fertilizer and preservative
  • What Does Saltpeter Do to the Human Body? Dangers Regulated Uses
    Discover what does saltpeter do to the human body, from its history as a food preservative to the risks of methemoglobinemia from excessive intake Learn about safe, regulated uses versus high-dose toxicity
  • Potassium Nitrate - Encyclopedia. com
    Potassium nitrate, also known as saltpeter or niter, is a chemical compound consisting of potassium, nitrogen, and oxygen While it has many applications, including use as a fertilizer, its most important usage historically has been as a component of gunpowder
  • The Multifaceted History of Saltpeter: Uncovering its Past Uses
    Saltpeter, also known as potassium nitrate, is a naturally occurring mineral that has been used for various purposes throughout history One of its primary uses was as a key ingredient in the production of gunpowder, which revolutionized warfare in the medieval period
  • SALTPETER Definition Meaning - Merriam-Webster
    The meaning of SALTPETER is potassium nitrate
  • Saltpeter - cooksense. org
    First widely employed in the Middle Ages, saltpeter was a key ingredient in charcuterie before modern nitrates and nitrites became commonplace While its use has declined due to the availability of more refined curing salts, it is still occasionally employed in traditional recipes and artisanal meat production
  • 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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