Practice Comparison with Added Surrogate - 5.2 | 5. Introduction - part B | Environmental Quality Monitoring & Analysis, - Vol 2
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Knowledge

5.2 - Comparison with Added Surrogate

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a surrogate compound?

💡 Hint: Think about how it relates to the analyte of interest.

Question 2

Easy

What are the benefits of using surrogates in sample analysis?

💡 Hint: Consider the extraction efficiency.

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 primary purpose of using surrogates in chemical analysis?

  • A. To increase the cost of analysis
  • B. To increase recovery efficiency
  • C. To change the method of analysis

💡 Hint: Think about why accuracy in detection is critical.

Question 2

True or False: Matrix interference can lead to inaccurately high readings of analytes.

  • True
  • False

💡 Hint: Consider what happens when other substances are present in samples.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

In a study, 10 mg of Surrogate B is added to a sample, and after analysis, 0.9 mg is recovered. What is the recovery efficiency? Explain the significance of this recovery in terms of the actual analyte.

💡 Hint: Pay attention to how extraction rates might fluctuate and impact analytes.

Question 2

Explain the process of extraction for both liquid and solid matrices, discussing the factors affecting their efficiencies.

💡 Hint: Think about physical properties and how they may alter extraction outcomes.

Challenge and get performance evaluation