Practice Common Processes Resulting In Analyte Losses (3) - Analyte Losses in Chemical Analysis

Practice: Common Processes Resulting in Analyte Losses

Lesson 3Analyte Losses in Chemical Analysis

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9 questions

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3 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
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is volatilization?
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Think about what happens to a puddle of water in the sun.
Question 2.
List one common material used for storing organic samples.
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Consider the type of packaging for beverages.
3Question 3.
What is the main concern with volatilization during sample analysis?
- It increases the sample volume
- It causes the loss of analytes
- It makes samples heavier
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Remember the effects of evaporation.
4Question 4.
True or False: Biodegradation can only occur in organic samples.
- True
- False
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Consider what biodegradation involves.
Question 5.
You are analyzing a soil sample suspected to contain hazardous pollutants. Discuss the methodologies to minimize analyte loss during sample collection, transport, and analysis.
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Consider each stage of the sample handling process.
Question 6.
If an analysis shows that 30% of the analyte has been lost due to adsorption and evaporation, explain how you would assess the remaining detectable concentration.
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Think about percentage calculations and original values.

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