A chromatograph separates the chemical components of a mixture. The substance moves through a column in either liquid or gas phase, and the components are separated by their affinity within the column. Gas-Absorption Chromatography was developed in the late 1940s, and by the mid-1960s commercial gas chromatographs dominated all forms of chromatography.
Listen to the latest episodes of CHF’s award-winning podcast.
Help us preserve and share the history of chemistry and related sciences. Make a tax-deductible donation online.
ST Microelectronics EPROM
©2010–2015 Chemical Heritage Foundation