Ion-Exchange Chromatography

#Biochemistry
The medium is charged, so oppositely charged solvent will stay in the medium longer.
Anion exchange refers to the medium being filled with cations so that anions are retained while
cation exchange refers to the medium being filled with anions so that the cations are retained

Mnemonic

• Anion-exchange "accepts" anions
• Cation-exchange "captures" cations