Practice Quantification In Chromatography And Mass Spectrometry (1.9) - Analysis Methods – Gas Chromatography (Mass Spectrometry)

Practice: Quantification in Chromatography and Mass Spectrometry

Lesson 1.9Analysis Methods – Gas Chromatography (Mass Spectrometry)

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10 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is mass spectrometry?
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Think about how it helps in identifying compounds.
Question 2.
What does ionization do in mass spectrometry?
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Consider the role of charged particles.
3Question 3.
What is the main purpose of mass spectrometry?
- To separate compounds
- To identify and quantify compounds
- To create chemical reactions
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Think about the core function of the technique.
4Question 4.
True or False: The mass analyzer allows all fragments to pass through.
- True
- False
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What does 'selective' mean in this context?
Question 5.
A sample contains several organic pollutants that may overlap in their spectral peaks. How would you approach quantifying each compound accurately?
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Consider how technology can assist in resolving complex data.
Question 6.
If a new compound is analyzed, and the mass spectrum does not match any in the library, what systematic steps should be taken to identify it?
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Think about the process of elimination and comparison.

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