gas chromatograph
noun
: an instrument used to separate a sample into components in gas chromatography
Examples of gas chromatograph in a Sentence
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This releases gases from the sample, which are then separated and studied by specialized sensors (in this case, a gas chromatograph and a mass spectrometer) that can identify the elements vital for life — carbon, nitrogen, oxygen, phosphorus and sulfur.
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Keith Cooper, Space.com, 25 Mar. 2025
In another step, researchers used a gas chromatograph and a mass spectrometer to identify the origins of each scent.
—Andrew Paul, Popular Science, 14 Feb. 2025
The new study, led by scientists at University College London (UCL) and the University of Ljubljana, involved analyzing samples of air surrounding nine mummies using gas chromatographs and mass spectrometers.
—Michael Irving, New Atlas, 13 Feb. 2025
Much is revealed via volunteer online sleuthing and gas chromatograph chemical analysis, peppered by tales of evasion and financial loss.
—Tom Mullen, Forbes, 3 Nov. 2024
This gradual pathway resembles a gas chromatograph with a long tube designed to detect more chemicals at a slower rate.
—Matt Hrodey, Discover Magazine, 8 July 2023
This set of instruments takes in a rock or soil sample and uses a mass spectrometer, a tunable laser spectrometer, and a gas chromatograph to characterize its molecular structure and isotopic composition, and also to test for the presence of organic carbon.
—IEEE Spectrum, 30 Dec. 2010
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Keith Cooper, Space.com, 25 Mar. 2025
In another step, researchers used a gas chromatograph and a mass spectrometer to identify the origins of each scent.
—Andrew Paul, Popular Science, 14 Feb. 2025
The new study, led by scientists at University College London (UCL) and the University of Ljubljana, involved analyzing samples of air surrounding nine mummies using gas chromatographs and mass spectrometers.
—Michael Irving, New Atlas, 13 Feb. 2025
Much is revealed via volunteer online sleuthing and gas chromatograph chemical analysis, peppered by tales of evasion and financial loss.
—Tom Mullen, Forbes, 3 Nov. 2024
This gradual pathway resembles a gas chromatograph with a long tube designed to detect more chemicals at a slower rate.
—Matt Hrodey, Discover Magazine, 8 July 2023
This set of instruments takes in a rock or soil sample and uses a mass spectrometer, a tunable laser spectrometer, and a gas chromatograph to characterize its molecular structure and isotopic composition, and also to test for the presence of organic carbon.
—IEEE Spectrum, 30 Dec. 2010
Cite this Entry
“Gas chromatograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gas%20chromatograph. Accessed 10 Sep. 2025.
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