Practice Comparison With Added Surrogate (5.2) - Introduction - part B

Practice: Comparison with Added Surrogate

Lesson 5.2Introduction - part B

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9 questions

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6 sample questions

Question 1.
What is a surrogate compound?
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Think about how it relates to the analyte of interest.
Question 2.
What are the benefits of using surrogates in sample analysis?
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Consider the extraction efficiency.
3Question 3.
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
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Think about why accuracy in detection is critical.
4Question 4.
True or False: Matrix interference can lead to inaccurately high readings of analytes.
- True
- False
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Consider what happens when other substances are present in samples.
Question 5.
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.
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Pay attention to how extraction rates might fluctuate and impact analytes.
Question 6.
Explain the process of extraction for both liquid and solid matrices, discussing the factors affecting their efficiencies.
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Think about physical properties and how they may alter extraction outcomes.

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