gas chromatography

noun

Definition of gas chromatography 

: chromatography in which the sample mixture is vaporized and injected into a stream of carrier gas (such as nitrogen or helium) moving through a column containing a stationary phase composed of a liquid or particulate solid and is separated into its component compounds according to their affinity for the stationary phase

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Other Words from gas chromatography

gas chromatographic adjective

Examples of gas chromatography in a Sentence

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Using gas chromatography and mass spectrometry, the team discovered residue of oleic and linoleic acid, telltale signatures of olive oil. Jason Daley, Smithsonian, "This 4,000-Year-Old Jar Contains Italy’s Oldest Olive Oil," 4 June 2018 The scientists used a portable, briefcase-size device that pulls air from the surface of the skin and collects VOCs in a filter for later laboratory analysis, using gas chromatography–mass spectrometry. Richard Conniff, Scientific American, "Is Malaria’s Peculiar Odor the Key to Its Conquest?," 14 May 2018 Davis walks me by its gas chromatography mass spectrometry system, which separates out those molecules as a slab of real meat is cooking. Beth Kowitt, Fortune, "Silicon Valley and the Search for Meatless Meat," 19 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gas chromatography.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of gas chromatography

1952, in the meaning defined above

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The first known use of gas chromatography was in 1952

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More Definitions for gas chromatography

gas chromatography

noun

Medical Definition of gas chromatography 

: chromatography in which the sample mixture is vaporized and injected into a stream of carrier gas (as nitrogen or helium) moving through a column containing a stationary phase composed of a liquid or a particulate solid and is separated into its component compounds according to the affinity of the compounds for the stationary phase abbreviation GC — compare column chromatography, gas-liquid chromatography, thin-layer chromatography

Other Words from gas chromatography

gas chromatographic adjective

More from Merriam-Webster on gas chromatography

Britannica.com: Encyclopedia article about gas chromatography

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