United States Nuclear Regulatory Commission - Protecting People and the Environment
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Gas chromatography

A way of separating chemical substances from a mixed sample by passing the sample, carried by a moving stream of gas, through a tube packed with a finely divided solid that may be coated with a liquid film. Gas chromatography devices are used to analyze air pollutants, blood alcohol content, essential oils, and food products.

Page Last Reviewed/Updated Tuesday, October 28, 2014