Practice Storage Of The Sample (2.2) - Analyte Losses in Chemical Analysis

Practice: Storage of the Sample

Lesson 2.2Analyte Losses in Chemical Analysis

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9 questions

Flashcard drill
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
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 water when it sits out in the sun.
Question 2.
Why are glass containers preferred for storing organic samples?
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Consider what materials each interacts with.
3Question 3.
What factors contribute to analyte loss during storage?
- Temperature only
- Volatilization
- reaction
- and adsorption
- Only contamination
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Review the definitions of each factor.
4Question 4.
True or False: Glass containers are good for storing organic samples because they prevent adsorption.
- True
- False
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Think about how different materials interact.
Question 5.
You are analyzing soil samples for heavy metals. Describe a comprehensive method for collecting and storing these samples to minimize analyte loss.
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Think about container types and environment.
Question 6.
How would you assess the effectiveness of a new sample storage procedure you implemented?
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Evaluating effectiveness often involves quantitative comparisons.

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