chromatography

Question 1

What is chromatography

Answer 1

Is used to separate and analyse smalla moutnts of mixutres and to determine the composition and purity of substances

Question 2

What do these methods do

Answer 2

Altering a stationary phast and a mobile phase to separate components

Question 3

What are these methods based on

Answer 3

Different types of polar groups (type strength of intermolecular forces)
amount of charged and polar chemical groupds
Molecular weight
Geometry
the position and numbers of carbon carbon double bonds

Question 4

What is stationary phase

Answer 4

Is a solid or liquid on whcih components can bond/interact/adsorb to. When components interact with the stationary phase, it slows their motion

Question 5

What is mobile phase

Answer 5

A liquid or gas that passes over or through the stationary phase. It dissolves and carries the components of the mixture with it