Chromatography Flashcards
1
Q
What is a mobile phase?
A
When the molecules can move. This is always a liquid or a gas
2
Q
What is the stationary phase?
A
When the molecules can’t move. This can be a solid or a really thick liquid
3
Q
What is the stationary phase in chromatography?
A
The chromatography paper
4
Q
What is the mobile phase in chromatography?
A
The solvent
5
Q
What is the formula for the Rf value?
A
Rf = distance moved by substance/distance moved by solvent
