Freeze Drying and Lyophilization
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Questions and Answers

Which principle of physics is used in freeze drying?

  • Evaporation
  • Condensation
  • Sublimation (correct)
  • Melting

    • Which type of freeze dryer is NOT mentioned in the text?

  • Vacuum freeze dryer (correct)
  • Rotary freeze dryer
  • Tray-style freeze dryer
  • Manifold freeze dryer

    • What is the purpose of a condenser in a freeze dryer?

  • To connect the vacuum pump
  • To remove moisture through condensation (correct)
  • To reduce the ambient gas pressure
  • To freeze the sample

    • At what temperatures does the condensation occur in a freeze dryer?

    <p>-20 to -80 °C</p> Signup and view all the answers

    What is the purpose of a vacuum pump in a freeze dryer?

    <p>To reduce the ambient gas pressure</p> Signup and view all the answers

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