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4 cards from this section. Quick, good the night before a test.
What is the role of the stationary phase in chromatography?
Think about what remains fixed in the system.
How does increasing temperature generally affect the retention time?
Consider the relationship between temperature and particle movement.
What does the partition constant (K) indicate?
Think about the interactions of the analyte with both phases.
True or False: Higher temperatures always improve separation quality in chromatography.
Consider the effects of temperature on interactions.
Design a chromatographic method to separate a mixture containing volatile and non-volatile components. Specify the type of column, phase, and conditions.
Consider how volatility influences interaction with stationary and mobile phases.
Assess how changing the mobile phase from water to acetonitrile impacts separation in a mixture of alcohols and hydrocarbons.
Reflect on the polarity differences and how they pertain to interactions with the stationary phase.
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