Information about 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 may be 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.
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. Color enhancers are frequently added too, the most common of which is polyvinyl chloride.
Flame Colorants
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 commercial products. These packages of flame colorants are tossed onto a campfire or into a fireplace to produce effects.
Sodium chloride, also known as common salt, table salt, or halite, is a chemical compound with the formula NaCl.
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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. Color enhancers are frequently added too, the most common of which is polyvinyl chloride.
Flame Colorants
| Color | Chemical |
|---|---|
| Carmine (Dark Red) | Lithium chloride |
| Red | Strontium chloride |
| Orange | Calcium chloride (a bleaching powder) |
| Yellow | Sodium chloride (table salt) or Sodium carbonate |
| Yellowish Green | Borax (Sodium Borate) |
| 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 commercial products. These packages of flame colorants are tossed onto a campfire or into a fireplace to produce effects.
See also
External links
FLAME (born Marcus T.W. Gray) is a Christian rapper signed to Cross Movement Records[1] He met the Cross Movement crew in Chicago after a concert. Flame, being a big fan, gave some of his work to the group, and Tonic (John Wells) was impressed.
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black body is an object that absorbs all electromagnetic radiation that falls onto it. No radiation passes through it and none is reflected. It is this lack of both transmission and reflection to which the name refers.
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Soot (IPA: /ˈsʊt/), also called lampblack or carbon black, is a dark powdery deposit of unburned fuel residues, usually composed mainly of amorphous carbon.
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In physical chemistry, and in engineering, steam refers to vaporized water. It is a pure, completely invisible gas (for mist see below). At standard atmospheric pressure, pure steam (unmixed with air, but in equilibrium with liquid water) occupies about 1,600 times the
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atomic spectral lines are of two types:
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- 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.
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Polyvinyl chloride, (IUPAC Polychloroethene) commonly abbreviated PVC, is a widely used thermoplastic polymer. In terms of revenue generated, it is one of the most valuable products of the chemical industry. Globally, over 50% of PVC manufactured is used in construction.
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Lithium chloride, LiCl, behaves as a fairly typical ionic compound, although the Li+ ion is very small. The salt is hygroscopic and highly soluble in water, and is highly polar.
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Strontium chloride (SrCl2) is a salt of strontium and chlorine. It is ionic and water-soluble. It is less toxic than barium chloride, though more toxic than calcium chloride. It emits a bright red colour when heated in a flame.
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Calcium chloride is an ionic compound of calcium and chlorine. It is highly soluble in water and it is deliquescent. It is a salt that is solid at room temperature, and it behaves as a typical ionic halide.
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- For sodium in the diet, see salt.
Sodium chloride, also known as common salt, table salt, or halite, is a chemical compound with the formula NaCl.
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Sodium carbonate (also known as washing soda or soda ash), Na2CO3, is a sodium salt of carbonic acid. It most commonly occurs as a crystalline heptahydrate which readily effloresces to form a white powder, the monohydrate.
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Borax (from Persian burah[1][2]), also called sodium borate, or sodium tetraborate, or disodium tetraborate, is an important boron compound, a mineral, and a salt of boric acid.
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Copper(II) sulfate ("sulphate" in most Commonwealth nations) is the chemical compound with the formula CuSO4. This salt exists as a series of compounds that differ in their degree of hydration.
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Copper forms two stable chlorides:
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- Copper(I) chloride (cuprous chloride), CuCl, mineral name nantokite.
- Copper(II) chloride (cupric chloride), CuCl2, mineral name eriochalcite.
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Potassium sulfate (K2SO4) (in British English potassium sulphate or archaically known as potash of sulfur) is a non-flammable white crystalline salt which is soluble in water.
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Potassium nitrate is a chemical compound and has the chemical symbol KNO3. It is a naturally occurring mineral source of nitrogen that constitutes a critical oxidizing component of black powder gunpowder.
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The chemical compound potassium chloride (KCl) is a metal halide composed of potassium and chlorine. In its pure state it is odorless. It has a white or colorless vitreous crystal, with a crystal structure that cleaves easily in three directions.
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Magnesium sulfate (or sulphate) is a chemical compound containing magnesium and sulfate, with the formula MgSO4. It is often encountered as the heptahydrate, MgSO4·7H2O, commonly called Epsom salts.
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A campfire is a fire lit at a campsite, usually in a fire ring. Campfires are a popular feature of camping, particularly among organized campers such as Scouts or Guides. Without proper precautions they are also potentially dangerous.
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flame test is a procedure used in chemistry to detect the presence of certain metal ions, based on each element's characteristic emission spectrum. The color of flames in general also depends on temperature; see flame color.
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