Gas Chromatography Overview
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Questions and Answers

What is the purpose of gas chromatography?

  • To analyze non-volatile substances in a liquid mixture
  • To combine volatile substances in a gaseous mixture
  • To increase the volatility of substances in a gaseous mixture
  • To separate volatile substances in a gaseous mixture (correct)

    • What moves through the column in gas chromatography?

  • Stationary phase
  • Mobile phase (carrier gas) (correct)
  • Liquid phase
  • Sample materials

    • What is the stationary phase in gas solid chromatography (GSC)?

  • Gas like CH4 or CO2
  • Carrier gas
  • Liquid with low volatility supported on an inert solid matrix
  • Solid like silica or alumina (correct)

    • Which gas chromatographic technique is most useful for the separation and analysis of gases like CH4 and CO2?

    <p>Gas solid chromatography (GSC)</p> Signup and view all the answers

    What is the mobile phase in gas liquid chromatography (GLC)?

    <p>A suitable carrier gas</p> Signup and view all the answers

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