Chemical elements
    Physical Properties
    Chemical Properties
    Amorphous Carbon
      Lampblack and Soot
      Retort Carbon
      Animal Charcoal
      Physical Properties
      Chemical Properties
      Fusion and Vaporisation

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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