2.5 - Mobile Phase Adjustments
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Practice Questions
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What is the mobile phase in gas chromatography?
💡 Hint: Think about what moves the sample.
Name one factor that affects the partition constant.
💡 Hint: Consider how heat could change interactions.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the role of the mobile phase in gas chromatography?
💡 Hint: Focus on what facilitates the movement.
True or False: The partition constant K increases with temperature.
💡 Hint: Consider the relationship between heat and retention.
1 more question available
Challenge Problems
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Given that the retention time for compound A is known, suggest how temperature changes might alter the retention for a compound with similar properties.
💡 Hint: Think about the relationship between temperature and the physical state of analytes.
Analyze the impact of flow rate adjustments on separation efficiency. Could increasing the flow rate improve throughput at the cost of separation? Discuss.
💡 Hint: Consider how time impacts adsorption/desorption cycles.
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