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| Oxidation of Glycerin with Solid Potassium Permanganate (Version 1) |
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Voiceover
Glycerin is dropped onto piles of coarsely and finely ground potassium permanganate. Oxidation occurs almost immediately with the fine permanganate giving a purple flame. Oxidation occurs much more slowly with the coarse reagent. Rates of chemical reactions are accelerated by increasing the surface area of solid reactants. The oxidation reaction is exothermic enough to ignite the glycerin. The violet potassium flame is observed.
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Citation:
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Shakhashiri, B. Z.
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Chemical Demonstrations; University of Wisconsin Press: Madison, 1983; Vol. 1, pp 83-84.
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Design, Text and Demonstrator:
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Gary Trammell
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University of Illinois at Springfield, Springfield, IL 62794
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Videographer/Editor:
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Steve Dykema
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University of Illinois at Springfield, Springfield, IL 62794
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Voice:
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Margaret Biddle
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University of Wisconsin - Madison, Madison, WI 53706
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Audio Production:
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Greg Minix
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University of Wisconsin - Madison, College of Engineering, Madison, WI 53706
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Jerrold J. Jacobsen
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University of Wisconsin - Madison, Madison, WI 53706
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