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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
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
The extent of their cocaine contamination was quantitated via gas chromatography/mass spectrometry or liquid chromatography/mass spectrometry.
—Seriously Science, Discover Magazine, 9 Feb. 2018
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 10 Jun. 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
Britannica.com: Encyclopedia article about gas chromatography
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