Practice Ftir Instrumentation (3.3.2) - Unit 11: Measurement and Data Processing

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6 sample questions

Question 1.
What does FTIR stand for?
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What does the acronym FTIR represent in analytical chemistry?
Question 2.
What is the primary purpose of the interferometer in FTIR?
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Think about what role the interferometer plays in processing IR light.
3Question 3.
What is the primary function of the globar in FTIR instrumentation?
- To detect IR light
- To generate IR light
- To modulate IR light
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Consider what a source does for the spectroscopic technique.
4Question 4.
Is it true that ATR requires more sample preparation than transmission methods?
- True
- False
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Recall the descriptions given for ATR.
Question 5.
In an FTIR experiment, if a sample shows a peak at 1700 cm-1, identify which functional group is likely present.
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Consider common IR absorption ranges for different functional groups.
Question 6.
If the interferogram shows significant noise, what data processing steps can be applied to improve the results?
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What methods can transform rough data into something clearer and more usable?

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