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Encyclopedia > Colored fire

Colored fire is a common pyrotechnic effect used in stage productions, fireworks and by fire performers the world over. Generally, the color of a flame red, orange, yellow, or white, and is dominated by blackbody radiation from soot and steam. When additional chemicals are added to the fuel burning, their atomic emission spectra can affect the frequencies of visible light radiation emitted - in other words, the flame will appear a different colour dependent upon the chemical additives. To meet Wikipedias quality standards, this article or section may require cleanup. ... As the temperature decreases, the peak of the black body radiation curve moves to lower intensities and longer wavelengths. ... Soot, also called lampblack, Pigment Black 7, carbon black or black carbon, is a dark powdery deposit of unburned fuel residues, usually composed mainly of amorphous carbon, that accumulates in chimneys, automobile mufflers and other surfaces exposed to smoke—especially from the combustion of carbon-rich organic fuels in the... In physical chemistry, and in engineering, steam refers to vaporized water. ... In physics, atomic spectral lines are of two types: An emission line is formed when an electron makes a transition from a particular discrete energy level of an atom, to a lower energy state, emitting a photon of a particular energy and wavelength. ...


Pyrotechnicians will generally use metal salts to color their flames. Specific combinations of fuels and co-solvents are required in order to dissolve the necessary chemicals. Colour enhancers are frequently added too, the most common of which is polyvinyl chloride. Polyvinyl chloride Polyvinyl chloride, (IUPAC über Polychloroethene) commonly abbreviated PVC, is a widely used thermoplastic polymer. ...



Flame Colorants

  • Color - Chemical
  • Carmine - Lithium Chloride
  • Red - Strontium Chloride
  • Orange - Calcium Chloride (a bleaching powder)
  • Yellow - Sodium Chloride (table salt) or Sodium Carbonate
  • Yellowish - Green Borax
  • Green - Copper Sulfate
  • Blue - Copper Chloride
  • Violet - 3 parts Potassium Sulfate, 1 part Potassium Nitrate (saltpeter)
  • Purple - Potassium Chloride
  • White - Magnesium Sulfate (Epsom salts)

Campfire Colorants Flame colorants are becoming popular while camping. Scouts and other outdoor enthusiasts have placed sections of copper pipe with holes drilled throughout and stuffed with garden hose onto campfires to create a variety of flame colors. An easier and more accepted method of coloring campfires has been fueled by products such as Campfire FX, Sexy Fire, and Rainbow Flame Crystals. These packages of flame colorants are tossed onto a campfire or into a fireplace for mesmerizing effects.


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