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saltpetre    
n. 硝石

硝石

saltpetre
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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  • Saltpetre | Definition, Uses, Facts | Britannica
    Saltpetre, any of three naturally occurring nitrates, distinguished as (1) ordinary saltpetre, or potassium nitrate, KNO3; (2) Chile saltpetre, cubic nitre, or sodium nitrate, NaNO3; and (3) lime saltpetre, wall saltpetre, or calcium nitrate, Ca (NO3)2
  • Potassium nitrate - Wikipedia
    Potassium nitrate is a chemical compound with a sharp, salty, bitter taste and the chemical formula KNO3 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 It occurs in nature as a mineral, niter (or nitre outside the United States) [7] It is a source of nitrogen, and nitrogen was named after
  • What is saltpeter used for and is it true it reduces certain “carnal . . .
    “Saltpetre,” (the term refers either to potassium or sodium nitrate) has no effect on carnal urges The story that this chemical was put into soldiers’ food to decrease their sex drive is a total myth
  • Saltpeter or Potassium Nitrate Facts - ThoughtCo
    Saltpeter is a common chemical used for many products and science projects It is the natural mineral source of the chemical potassium nitrate, KNO 3, and an inorganic chemical that is soluble in water Depending on where you live, it may be spelled "saltpetre" rather than "saltpeter "
  • From Dirt to Gunpowder (U. S. National Park Service)
    Calcium nitrate is a mineral that can be mixed with other high potassium materials to create potassium nitrate, or saltpetre, as it is more commonly known Saltpetre is an principal ingredient in black gunpowder
  • Saltpeter vs. Saltpetre - Whats the Difference? | This vs. That
    Saltpeter and saltpetre are two different names for the same chemical compound, potassium nitrate Saltpeter is the American English spelling, while saltpetre is the British English spelling
  • Uncovering the Truth: Is Saltpetre Safe to Eat? - FlavoryCooking
    Saltpetre, also known as potassium nitrate, is a naturally occurring mineral that has been used for centuries as a food preservative and additive It is commonly used in the production of cured meats, such as bacon and ham, to extend shelf life and enhance flavor
  • SALTPETER Definition Meaning - Merriam-Webster
    The meaning of SALTPETER is potassium nitrate
  • Saltpetre 5lb - allbulkfoods. com
    Food grade Saltpetre (Potassium Nitrate) is most commonly used in the meat curing process for color stabilization Saltpetre is used to cure meats such as ham and bacon but is also often used in ice creams and toothpastes for sensitive teeth
  • Historical Uses and Manufacturing of Saltpeter - Eric Knaus
    Saltpeter, or potassium nitrate, has been utilized since ancient times, particularly in India and China Saltpeter, or potassium nitrate, has been a cornerstone of ancient technological and cultural advances, particularly in India and China, where its uses date back thousands of years





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