Practice Discussion on Interferences and Filtration - 2 | 9. Analysis Methods – Organics in Water | Environmental Quality Monitoring & Analysis, - Vol 2
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Knowledge

2 - Discussion on Interferences and Filtration

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of extraction in water analysis?

💡 Hint: Recall the need to analyze low concentration compounds.

Question 2

Easy

Name one commonly used solvent for liquid-liquid extraction.

💡 Hint: Think of solvents that are immiscible with water.

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 main purpose of extraction in the analysis of organic compounds in water?

  • To destroy the sample
  • To concentrate the sample
  • To filter out contaminants

💡 Hint: Think about what happens to the compounds during extraction.

Question 2

True or False: Interference refers to any substance that does not affect the measurement of the analyte.

  • True
  • False

💡 Hint: Interference changes the results of what you're trying to measure.

Solve 3 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a sample that contains multiple organic contaminants, propose a comprehensive analytical strategy that includes extraction, possible interferences, and filtration. Detail the steps involved and how each step mitigates contamination.

💡 Hint: Consider the type of contaminants you might face and how each analytical step helps reduce their impact.

Question 2

A lab technician is analyzing TSS in a water sample using 0.2 micron filters but finds the results inconsistent. What might be the implications of their choice of filter size, and what adjustments should they consider?

💡 Hint: Think about the balance between accuracy and practicality in sample analysis.

Challenge and get performance evaluation