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Supercritical Fluid Extraction (SFE)
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Supercritical Fluid Extraction (SFE)

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Questions and Answers

At what temperature is carbon dioxide (CO2) typically maintained for supercritical fluid extraction (SFE)?

  • Above 31°C (88°F) (correct)
  • Exactly 31°C (88°F)
  • It varies depending on the substance being extracted.
  • Below 31°C (88°F)

    • What is the critical pressure of carbon dioxide (CO2) for supercritical fluid extraction (SFE)?

  • 88 bar (1,276 psi)
  • 31°C (88°F)
  • It varies depending on the substance being extracted.
  • 73.8 bar (1,070 psi) (correct)

    • What are the properties of a supercritical fluid?

  • Liquid-like properties only
  • Gas-like properties only
  • Neither gas-like nor liquid-like properties
  • Both gas-like and liquid-like properties (correct)

    • Which of the following parameters must be precisely controlled in supercritical fluid extraction (SFE)?

    <p>Both temperature and pressure</p> Signup and view all the answers

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