Chromatographic Separation Resolution
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Questions and Answers

In the given equations, what factor is Rs proportional to?

  • $k_B'$
  • $(N)^{\frac{1}{2}}$ (correct)
  • $(1+k_B')$
  • $(\alpha - \frac{1}{\alpha})$

    • What does the term $t_R$ represent in the equations?

  • Selectivity
  • Capacity factor
  • Efficiency
  • Retention time (correct)

    • To obtain a high efficiency, what must be increased according to the given text?

  • Efficiency
  • Capacity factor
  • Retention time (correct)
  • Selectivity

    • In the equation $N = 16 (t_R/W)^2$, what does increasing W lead to?

    <p>Decreased efficiency</p> Signup and view all the answers

    What is the relationship between Rs and selectivity according to the given equations?

    <p>$Rs \propto (\alpha - \frac{1}{\alpha})$</p> Signup and view all the answers

    What is the mobile phase in gas solid chromatography?

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

    What is the stationary phase in gas liquid chromatography?

    <p>A liquid with very low volatility supported on an inert solid matrix</p> Signup and view all the answers

    Which type of gas chromatography is most useful for the separation and analysis of gases like CH4 and CO2?

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

    What is the affinity of solutes towards in gas solid chromatography?

    <p>Adsorption onto the stationary phase</p> Signup and view all the answers

    Why is the use of gas solid chromatography considered minimal compared to gas liquid chromatography in practice?

    <p>It is less versatile for a wide range of substances</p> Signup and view all the answers

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