Practice Calibration Procedures - 1.2 | 14. Chromatography and Calibration | Environmental Quality Monitoring & Analysis, - Vol 2
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Knowledge

1.2 - Calibration Procedures

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the main purpose of calibration in analytical chemistry?

💡 Hint: Think about why we want accuracy in our measurements.

Question 2

Easy

Why is concentration calibration often preferred over mass calibration?

💡 Hint: Consider the behavior of samples during analysis.

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 does calibration in chromatography help achieve?

  • Adjust measures against known standards
  • Analyze only one compound
  • Increase sample volume

💡 Hint: Consider the role of calibration in a measurement context.

Question 2

True or False: SCAN mode is more sensitive than SIM mode for detecting low concentrations.

  • True
  • False

💡 Hint: Think about the focus and breadth of analysis each mode provides.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A lab is trying to analyze a new pesticide at low concentrations. They initially use SCAN mode but find no detectable peaks. Explain the steps they might take to ensure successful detection.

💡 Hint: Explore how focusing on specific characteristics improves analysis.

Question 2

Explain how a high intercept in a calibration curve might indicate potential issues and propose a solution.

💡 Hint: Think about how to isolate errors and inaccuracies in measurement.

Challenge and get performance evaluation