3 - Concentration Methods
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Practice Questions
Test your understanding with targeted questions
What is Liquid-Liquid Extraction?
💡 Hint: Think about how solvents can separate different substances.
What does SPE stand for?
💡 Hint: It’s a method involving solid adsorbents.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main purpose of solid-phase extraction?
💡 Hint: Think about how the organic compounds are separated.
True or False: Liquid-Liquid Extraction requires multiple solvents.
💡 Hint: Consider how many solvents are usually necessary.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
You have a water sample containing multiple organic pollutants. Design an extraction method using both LLE and SPE where you will explain the choice of solvent for each stage.
💡 Hint: Focus on the properties of solvents and how they interact with the pollutants.
Discuss how thermal conditions affect the efficiency of the rotary evaporator and nitrogen blowdown methods.
💡 Hint: Think about the relationship between temperature, pressure, and volatility of solvents.
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