Practice Area Under The Peak (1.1) - Chromatography and Calibration - Environmental Quality Monitoring & Analysis, - Vol 2

Practice: Area Under the Peak

Lesson 1.1Chromatography and Calibration

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8 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does the area under a peak represent in chromatography?
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Think about the relationship between area and amount.
Question 2.
Is calibration necessary while analyzing chromatograms?
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Consider why we measure concentration.
3Question 3.
What does the area under the peak in a chromatogram indicate?
- The temperature of the sample
- The quantity of the analyte present
- The purity of the sample
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Consider what goes into calculating this area.
4Question 4.
True or False: SCAN and SIM modes yield the same level of sensitivity.
- True
- False
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Reflect on the focus each mode holds.
Question 5.
You have a chromatogram where one compound’s peak is significantly smaller than others. How would you approach identifying it accurately?
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Consider the balance between sensitivity and overall analysis.
Question 6.
Describe a method to mitigate the impact of overlapping peaks in a chromatogram analysis you encounter regularly.
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Think about methods to improve peak resolution.

4 more questions in this section. Enroll free to practise them all.