Practice - Analyte Recovery
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Practice Questions
Test your understanding with targeted questions
What is the purpose of using a surrogate in analyte recovery?
💡 Hint: Think about how surrogates relate to the analyte.
Define extraction efficiency.
💡 Hint: Consider what makes a method effective.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main purpose of using a surrogate in analyte recovery?
💡 Hint: Think about why we need a stand-in for the analyte.
True or False: Only liquids can be used for extraction.
💡 Hint: Consider different states of matter.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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