Chromatography Flashcards
1
Q
What phases does chromatography involve
A
A stationary phase where nothing moves and a mobile phase which does not move
2
Q
In ch omatography what is the stationary phase made of and what is the mobile phase made of
A
The stationary phase is absorbent paper and the mobile phase is the solvent which is often water
3
Q
What does chromatography seperate
A
Mixtures into their constituent components
4
Q
What does the solven t do
A
Dissolved the samples and carries them up the paper
5
Q
What can Rf values be used to identify
A
The components in a mixture
6
Q
What is the equation to calculate the Rf value
A
Distance moved by substance
Rf=—————————————————
Distance moved by solvent
