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Liquid Phases for Gas Chromatography

Gas Chromatography

  1. Nicholas H. Snow

Published Online: 17 DEC 2012

DOI: 10.1002/9780470027318.a5506.pub2

Encyclopedia of Analytical Chemistry

Encyclopedia of Analytical Chemistry

How to Cite

Snow, N. H. 2012. Liquid Phases for Gas Chromatography . Encyclopedia of Analytical Chemistry. .

Author Information

  1. Seton Hall University, South Orange, NJ, USA

Publication History

  1. Published Online: 17 DEC 2012

Abstract

In gas chromatography (GC), the liquid phase, also called the stationary phase, provides the medium in which the separation occurs. The magnitude of separation is given by the relative strengths of intermolecular interactions between analyte and stationary phase molecules, thus numerous liquids have been used over the years. The stationary phase can be coated onto a solid support and packed into a tube (packed column GC), or coated onto the wall of a capillary (capillary GC). Today, most GC analyses are performed using capillary columns.