Practice Gas Chromatography Detectors (4) - Analysis Methods

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9 questions

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6 sample questions

Question 1.
What does FID measure?
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Consider what happens when hydrocarbons burn.
Question 2.
What does TCD detect?
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Think about how it compares to the carrier gas.
3Question 3.
What does the FID detect?
- Halogenated compounds
- Hydrocarbons
- Thermal conductivity
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Think about what type of compounds FID is sensitive to.
4Question 4.
True or False: The TCD can detect halogen compounds with high sensitivity.
- True
- False
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Consider what the primary purpose of TCD is.
Question 5.
Consider a sample containing hydrocarbons and halogenated compounds. Which detector(s) would you choose for optimal analysis and why?
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Evaluate the strengths of each detector in relation to the compounds.
Question 6.
A lab technician needs to identify unknown contaminants in an air sample. Which detector offers the best combination of sensitivity and specificity?
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Consider the capabilities of each detector.

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