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  2. Saltpetre works - Wikipedia

    en.wikipedia.org/wiki/Saltpetre_works

    A saltpetre works or nitrary [1] is a place of production of potassium nitrate or saltpetre used primarily for the manufacture of gunpowder. The saltpeter occurs naturally in certain places like the "Caves of Salnitre" ( Collbató ) known since the Neolithic.

  3. Gunpowder - Wikipedia

    en.wikipedia.org/wiki/Gunpowder

    For instance, power grades of black powder, unsuitable for use in firearms but adequate for blasting rock in quarrying operations, are called blasting powder rather than gunpowder with standard proportions of 70% nitrate, 14% charcoal, and 16% sulfur; blasting powder may be made with the cheaper sodium nitrate substituted for potassium nitrate ...

  4. Slow match - Wikipedia

    en.wikipedia.org/wiki/Slow_match

    Many formulas for match cord exist, providing varying burn rates. The predominant chemical used was potassium nitrate, although sodium nitrate, and lead(II) acetate [citation needed] also appear to have been used. Potassium nitrate had an advantage over sodium nitrate, being less likely to absorb atmospheric moisture.

  5. Smokeless powder - Wikipedia

    en.wikipedia.org/wiki/Smokeless_powder

    Smokeless powder is a type of propellant used in firearms and artillery that produces less smoke and less fouling when fired compared to black powder. Because of their similar use, both the original black powder formulation and the smokeless propellant which replaced it are commonly described as gunpowder. The combustion products of smokeless ...

  6. Meal powder - Wikipedia

    en.wikipedia.org/wiki/Meal_powder

    The powder has occasionally been used as a synonym for Serpentine powder, which it physically resembles. [2] 'Mill meal' powder is a mixture of potassium nitrate, charcoal and sulfur in the correct proportions (75% potassium nitrate:15% charcoal:10% sulfur) which has been ball-milled to mix it intimately. It is used in the same way as ...

  7. Nitre and Mining Bureau - Wikipedia

    en.wikipedia.org/wiki/Nitre_and_Mining_Bureau

    Cave dirt was mined to produce calcium nitrate, which would be combined with potash to create potassium nitrate, a needed ingredient of gunpowder. Lookout Mountain Caverns, the Morrell Cave in Sullivan County, Tennessee, Nickajack Cave, Organ Cave and Selma, Alabama's limestone caves all supplied nitrates for the Nitre and Mining Bureau.

  8. Internal ballistics - Wikipedia

    en.wikipedia.org/wiki/Internal_ballistics

    Gunpowder (Black powder) is a finely ground, pressed and granulated mechanical pyrotechnic mixture of sulfur, charcoal, and potassium nitrate or sodium nitrate. It can be produced in a range of grain sizes. The size and shape of the grains can increase or decrease the relative surface area, and change the burning rate significantly.

  9. Wujing Zongyao - Wikipedia

    en.wikipedia.org/wiki/Wujing_Zongyao

    The Wujing Zongyao's first recorded gunpowder formula used in these bombs held a potassium nitrate level of 55.4% to 55.5%, sulfur content of 19.4% to 26.5%, and carbonaceous content of 23% to 25.2%. [34] The first step for making gunpowder is to powder and mix together sulphur, saltpetre, charcoal, pitch, and dried lacquer.

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