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

Other Words from gas chromatography

gas chromatographic adjective

Examples of gas chromatography in a Sentence

Recent Examples on the Web Items were transported to the lab in a cooler in their original packaging, and then each menu item was blended into a slurry, the liquid tested for these chemicals via a technique called gas chromatography-mass spectrometry. Washington Post, 27 Oct. 2021 Items were transported to the lab in a cooler in their original packaging, and then each menu item was blended into a slurry, the liquid tested for these chemicals via a technique called gas chromatography-mass spectrometry. Laura Reiley, Anchorage Daily News, 27 Oct. 2021 The scientist verifies ambergris using a technique known as capillary gas chromatography–mass spectrometry and then Ambergris Connect issues authenticity reports to buyers. Smithsonian Magazine, 2 Sep. 2021 Sludge repository amassed, Halden’s team dove in, pulling the samples apart molecule by molecule using a gas chromatography-mass spectrometer. Megan Molteni, STAT, 17 June 2021 Using gas chromatography and mass spectrometry, the team found a ton of the usual bad smell offenders. Max G. Levy, Wired, 3 June 2021 Researchers used laboratory techniques like gas chromatography and mass spectrometry to identify 16 chemical compounds that create the enticing aroma, per Gizmodo. Elizabeth Gamillo, Smithsonian Magazine, 26 May 2021 As part of this second step, the team ran each sample through gas chromatography–mass spectrometry, a chemical analysis technique that gives a molecular-level breakdown of compounds. Prachi Patel, Scientific American, 4 Mar. 2021 The team took small samples from the black spot and analyzed them with X-ray fluorescence, synchrotron radiation powder x-ray diffraction, Raman spectroscopy, and gas chromatography mass spectrometry, among other methods. Jennifer Ouellette, Ars Technica, 28 Dec. 2020

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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Time Traveler for gas chromatography

Time Traveler

The first known use of gas chromatography was in 1952

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Dictionary Entries Near gas chromatography

gas chromatograph

gas chromatography

gas coal

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Statistics for gas chromatography

Last Updated

29 Oct 2021

Cite this Entry

“Gas chromatography.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gas%20chromatography. Accessed 27 Nov. 2021.

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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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