Practice Analyte Recovery - 5.1 | 5. Introduction - part B | Environmental Quality Monitoring & Analysis, - Vol 2
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Knowledge

5.1 - Analyte Recovery

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of using a surrogate in analyte recovery?

💡 Hint: Think about how surrogates relate to the analyte.

Question 2

Easy

Define extraction efficiency.

💡 Hint: Consider what makes a method effective.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the main purpose of using a surrogate in analyte recovery?

  • To analyze water quality
  • To mimic the analyte's behavior
  • To reduce sample size

💡 Hint: Think about why we need a stand-in for the analyte.

Question 2

True or False: Only liquids can be used for extraction.

  • True
  • False

💡 Hint: Consider different states of matter.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

In an experiment, you added 200 ng of a surrogate to a 1 L water sample, and after extraction, you detected 250 ng of the surrogate in the analysis. Discuss possible reasons for this discrepancy and how you would approach confirming your findings.

💡 Hint: Consider the factors that affect measurement reliability.

Question 2

If you have a solid soil sample and want to use ultrasonication to improve analyte recovery, explain the mechanism behind ultrasonication and its expected benefits in this process.

💡 Hint: Think about how sound waves can energize and break apart materials.

Challenge and get performance evaluation