Ion-exchange chromatography (or ion chromatography) is a process that allows the separation of ions and polar molecules based on their charge. It can be used for almost any kind of charged molecule including large proteins, small nucleotides and amino acids. It is often used in protein purification, water analysis, and quality control.

Related articles:

• Liquid and Ion Chromatography
• Anions by Ion Chromatography
• Method Development and Validation
• Raw Materials Testing
• Validation