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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a surrogate?
💡 Hint: Think about why we would need a similar compound.
Question 2
Easy
How is the Minimum Detection Limit (MDL) calculated?
💡 Hint: Focus on the formula used for MDL.
Practice 1 more question 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 purpose of a surrogate in analytical chemistry?
- To increase sample volume
- To estimate recovery of analytes
- To collect more data
💡 Hint: Think on the function of surrogates in estimation.
Question 2
True or False: The Maximum Detection Limit (MDL) is not important in sampling.
- True
- False
💡 Hint: Reflect on what MDL enables in analysis.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a sample with a concentration of 15 mg/L TSS and a standard deviation of measurements is 6 mg. Calculate the minimum volume required.
💡 Hint: Apply the MDL and the surface area of concentrations.
Question 2
How does the choice of surrogate affect recovery rates in samples collected from industrial waste compared to natural waters?
💡 Hint: Consider the reasons behind selection based on chemical properties.
Challenge and get performance evaluation