Chapter 33: Chromatography Flashcards by Llewellyn Lancaster

Q

what does TLC stand for?

A

Thin Layer Chromatography

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Q

What does TLC stand for?

A

Thin Layer Chromatography

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Q

How do you calculate the Rf value of a substance?

A

Distance moved by spot / distance moved by solvent

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Q

What advantages does TLC have over paper chromatography?

A

It runs faster.
Smaller sample.
Spots spread out less.
TLC plates are more robust than paper.

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Q

3 Advantages of TLC compared to paper chromatography

A

faster run time, plates are more robust than paper, spots spread out less, smaller amounts of liquid can be separated.

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Q

Name the types of chromatography

A

TLC.
Paper.
Column.
Gas-liquid (GC)

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Q

What can you deduce about a substance with a high Rf value?

A

It is quite soluble.

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