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3AL Lecture 6a - Adsorption and Partition(3AL(3BL The...

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The separation of a mixture of compounds by differing interactions between a stationary phase and a mobile phase. •The more attracted a compound is to the stationary phase relative to other compounds, the less time it will spend in the mobile phase. •The less time a compound spends in the mobile phase, the more slowly it will “move” from the origin. Adsorption and Partition (3AL) (3BL)
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A B C C B A A B C A A A B B B C C C A A A B B B C C C time time = 0 ORIGIN A is most attracted to the stationary phase. C is least attracted to the stationary phase.
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There are many types of adsorption chromatography. These are differentiated by the stationary phase and the mobile phase employed.
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