Practice Concentration Methods (2.3) - Environmental Quality - Environmental Quality Monitoring & Analysis,

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9 questions

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6 sample questions

Question 1.
What does liquid-liquid extraction involve?
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Think about the two liquids involved.
Question 2.
Name one advantage of solid-phase extraction.
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Consider safety and efficiency.
3Question 3.
What is the primary purpose of using solid-phase extraction?
- To reduce solvent usage
- To increase sample volume
- To speed up analysis
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Think about advantages over other methods.
4Question 4.
True or False: Liquid-liquid extraction can involve hazardous solvents.
- True
- False
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Recall the safety issues discussed.
Question 5.
Design a simple experimental plan to extract a compound from a water sample using solid-phase extraction. Include equipment needed, step-by-step procedure, and safety considerations.
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Consider the flow rates and ensure no exposure to hazardous substances.
Question 6.
What factors might influence the recovery efficiency of a compound during liquid-liquid extraction?
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Think about physical and chemical properties of both phases.

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