III. TLC Flashcards

1
Q

whats the solvent front

A

highest point reached by solvent/eluent on TLC plate

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2
Q

whats the origin

A

starting point of solvent/eluent where you spot the sample on TLC plate

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3
Q

whats a spot

A

highest point reached by spotted compound

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4
Q

whats the solvent/eluent

A

mobile phase by capillary action

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5
Q

whats the point of the eluent (3)

A

acts as mobile phase through capillary action, separates samples based on polarity, nonpolar phase

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6
Q

whats rf

A

retardation factor
spot distance / solvent front distance

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7
Q

high rf means?

A

nonpolar compound (attracted to eluent)

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8
Q

low rf means?

A

polar compound (attracted to plate)

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