ICP-OES Sample Introduction System Components Quiz
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Questions and Answers

What is the main function of the peristaltic pump in the ICP-OES system?

  • Convert solution filaments into an aerosol spray
  • Mix the liquid sample with nebulizer gas
  • Create a fine aerosol spray of analyte solution
  • Propel the sample solution through tubing (correct)
  • Which type of tubing is commonly used in the ICP-OES system for majority of analyses?

  • Tygon tubing (correct)
  • Metal tubing
  • Glass tubing
  • Plastic tubing
  • In the Cross-Flow Nebulizer system, what causes the conversion of solution filaments into an aerosol spray?

  • Direction of tip of capillary tube
  • Velocity increase in the Ar flow
  • Perpendicular flow of liquid sample
  • High speed stream of Ar gas (correct)
  • In an ICP-OES system, what is the primary function of a spray chamber?

    <p>To separate large droplets from small droplets and transport the latter to the plasma torch.</p> Signup and view all the answers

    What is a common material used in the construction of a Scott Spray Chamber in an ICP-OES system?

    <p>Ryton (corrosion-resistant material)</p> Signup and view all the answers

    What is the main function of a Cyclonic Spray Chamber in an ICP-OES system?

    <p>To separate large aerosol droplets downward and carry fine droplets upward to the plasma torch.</p> Signup and view all the answers

    What is the advantage of the axial view in ICP-OES over the radial view?

    <p>Higher sensitivity and lower detection limit</p> Signup and view all the answers

    Why is the SCD detector cooled at -35°C with a chiller in ICP-OES?

    <p>To improve the detection of resonance emission wavelengths</p> Signup and view all the answers

    What is a unique feature of the Segmented Array Charged Coupled Device Detector (SCD) in ICP-OES?

    <p>It can measure thousands of emission wavelengths simultaneously</p> Signup and view all the answers

    How does the cross-flow nebulizer contribute to ICP-OES analysis?

    <p>By producing a finer aerosol for efficient sample introduction</p> Signup and view all the answers

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