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Word Count: 498
Pyrotechnics is defined as the art of making and using fireworks Some consider fireworks dangerous obnoxious bursts of noise others consider them beautiful artful displays of light Either way you look at it pyrotechnics is an interesting and dangerous hobby Many colors and designs may be created by the placement of different compounds in distinct areas of the fireworks either projectile or stationary ones Some of the many different colors of the visible spectrum that can be easily recreated are yellow orange red green and blue The shades of yellow and orange can be easily recreated by the use of sodium or calcium chlorate Red is easily attainable by the burning of SrCl The burning of BaCl creates a very bright green The burning of copper chlorate creates the blues It would be extremely easy if we could just place these in the fireworks and have them work however the emitting molecules especially SrCl and BaCl are so reactive that they cannot be packed directly into a firework To generate them we need pyrotechnic compositions designed to generate the above molecules to evaporate them into the flame and to keep them at as high temperature as possible to achieve maximum light output To get good colors there must be substantial amounts of emitters present in the flame The emitters are not alone in order to achieve the high temperature a fuel - oxidizer system is also needed as well as some additional ingredients The colors of aerial fireworks come invariably from stars small pellets of firework composition that contain all the necessary ingredients for generating colored light or other special effects They may be as tiny as peas or as large as strawberries A typical red star might contain Potassium perchlorate 67 by weight Strontium carbonate135 Pine root pitch fuel135 Rice starch binder6 In order to launch these
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