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Elements and Compounds

What elements is in oil?

Answer

Wiki User
02/17/2013

Crude Oil Components

On average, crude oils are made of the following elements or compounds:

  • Carbon - 84%
  • Hydrogen - 14%
  • Sulfur - 1 to 3% (hydrogen sulfide, sulfides, disulfides, elemental sulfur)
  • Nitrogen - less than 1% (basic compounds with amine groups)
  • Oxygen - less than 1% (found in organic compounds such as carbon dioxide, phenols, ketones, carboxylic acids)
  • Metals - less than 1% (nickel, iron, vanadium, copper, arsenic)
  • Salts - less than 1% (sodium chloride, magnesium chloride, calcium chloride)

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