Atomic Spectroscopy Interferences
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Questions and Answers

What is the reason for rare occurrence of spectral interferences?

  • Matrix composition of standard and sample
  • Analyte ionization
  • Atomic lines are very narrow (correct)
  • Nebulization efficiency

What type of interference occurs when a sample has a different surface tension than the standard?

  • Ionization interference
  • Matrix interference (correct)
  • Chemical interference
  • Spectral interference

What is the effect of a thermally stable compound formed between an analyte and a sample species?

  • Spectral interference
  • No interference
  • Chemical interference (correct)
  • Matrix interference

What is the purpose of adding an ionization suppressor to a sample?

<p>To suppress ionization (D)</p> Signup and view all the answers

How can line interference be overcome?

<p>By choosing another line with no interference (C)</p> Signup and view all the answers

What is the primary reason for non-spectral interferences?

<p>Differences in nebulization efficiency (C)</p> Signup and view all the answers

What is the effect of ionization interferences on spectral lines?

<p>Produces completely different spectra (B)</p> Signup and view all the answers

How can chemical interferences be identified?

<p>By looking for thermally stable compounds (A)</p> Signup and view all the answers

What is the advantage of using an alternative spectral line?

<p>It overcomes spectral interferences (C)</p> Signup and view all the answers

What is the purpose of matching the matrix composition of the standard and sample?

<p>To minimize matrix interferences (B)</p> Signup and view all the answers

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