Standard Article

Chromatographic Techniques

  1. Alastair C Lewis

Published Online: 3 MAY 2005

DOI: 10.1038/npg.els.0002705



How to Cite

Lewis, A. C. 2005. Chromatographic Techniques. eLS. .

Author Information

  1. University of York, York, UK

Publication History

  1. Published Online: 3 MAY 2005

This is not the most recent version of the article. View current version (16 FEB 2015)


Chromatography achieves the physical separation of components in a mixture for either analytical or preparative purposes, based on the unique degree of interaction between each component and the separating medium. Spanning a vast range of application areas, chromatography is probably one of the most commonly used laboratory techniques.


  • liquid chromatography;
  • gas chromatography;
  • ion exchange chromatography;
  • size exclusion chromatography;
  • complex mixtures