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Home  FAQ Introduction to inorganic chemistry | Print | Comment | Contact |
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Is there an easy way to produce pure carbon in the classroom?
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The following procedure produces reasonably pure carbon.
Hold a clean tin can upside down over a candle flame and collect a heavy layer of soot. Tap the soot into another can with just a tiny hole in the top. Heat it strongly several times over a gas flame to drive off the impurities (but not so strongly that you burn up all the carbon). You should have reasonably pure carbon in the end.
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Last Revised 02/23/18.URL: http://antoine.frostburg.edu/chem/senese/101-hidden/inorganic/faq/lampblack.shtml