Chemical elements
  Carbon
    Isotopes
    Energy
    Production
    Application
    Physical Properties
    Chemical Properties
    Diamonds
    Graphite
    Amorphous Carbon
      Preparation
      Sugar-Charcoal
      Lampblack and Soot
      Retort Carbon
      Wood-Charcoal
      Animal Charcoal
      Coke
      Physical Properties
      Chemical Properties
      Fusion and Vaporisation
    Coal

Amorphous Carbon






Amorphous carbon, as usually met with, contains a variable proportion of impurity derived from the organic compounds or natural products from which it is prepared. Sugar-charcoal, lampblack, soot, gas- carbon, vegetable and animal charcoal, and coke are reckoned as forms of amorphous carbon. The impurities present within them may be "organic," i.e. may consist of compounds of hydrogen, oxygen, and nitrogen, which ignition has failed to remove; or inorganic, which will remain as ash when the carbon has been burned away.
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