gas chromatography

noun

: 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
gas chromatographic adjective

Examples of gas chromatography in a Sentence

Recent Examples on the Web In order to compare these samples, Mary used a technique called gas chromatography. Sarah Wyman, Scientific American, 27 June 2024 Science can help fill in the gaps, particularly given the expanding array of methods for conducting biomolecular analysis, including various forms of gas chromatography. Jennifer Ouellette, Ars Technica, 6 Sep. 2023 The gas samples were analyzed for sulfur-containing volatiles via gas chromatography. Discover Magazine, 19 Nov. 2019 In the study, the team used a method where chemical compounds are separated in a controllable oven called gas chromatography, to determine the chemicals that make up the male pheromone blend. Laura Baisas, Popular Science, 2 Aug. 2023 Constantin uses gas chromatography to analyze popular scents, educating perfumistas on what’s really inside each bottle. Jane Daly, Harper's BAZAAR, 13 July 2023 When evaluating different brands' lab testing practices, look out for: Comprehensive testing methods: Brands should use reliable testing methods such as gas chromatography (GC) or high-performance liquid chromatography (HPLC) to accurately measure cannabinoid levels. Amber Smith, Discover Magazine, 28 July 2023 These devices employ techniques like mass spectrometry or gas chromatography, providing accurate and instantaneous results. Amber Smith, Discover Magazine, 27 June 2023 Other methods include gas chromatography/mass spectrometry systems such as the InspectIR test, which received emergency use authorization from the U.S. Food and Drug Administration in April 2022. Starre Vartan, Scientific American, 12 May 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'gas chromatography.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1952, in the meaning defined above

Time Traveler
The first known use of gas chromatography was in 1952

Dictionary Entries Near gas chromatography

Cite this Entry

“Gas chromatography.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gas%20chromatography. Accessed 17 Jul. 2024.

Medical Definition

gas chromatography

noun
: 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
gas chromatographic adjective

More from Merriam-Webster on gas chromatography

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