gas chromatograph

noun

: an instrument used to separate a sample into components in gas chromatography

Examples of gas chromatograph in a Sentence

Recent Examples on the Web 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 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 In his reading, the Viking gas chromatograph scooped up soil, heated it, and in so doing activated the perchlorate, which then destroyed the very organics the spacecraft was searching for. Andrew Lawler, Discover Magazine, 22 Nov. 2010 But within days that finding was contradicted by results from the gas chromatograph spectrometer, which detected no sign of organic compounds, much less evidence of life. Andrew Lawler, Discover Magazine, 22 Nov. 2010 The device, fitted with a gas chromatograph, was with Dr. Lovelock on his Antarctic voyage, and his findings helped confirm links between chlorofluorocarbons and the hole in the ozone layer. Brian Murphy, Washington Post, 28 July 2022 Kerth and his colleagues have studied this process in the lab, searing steaks to precise specifications and feeding the results into a gas chromatograph, which measures the amount of each volatile chemical produced. Bob Holmes, Smithsonian Magazine, 25 June 2021 So the scientists ran the extract through a tool called a gas chromatograph to separate the chemicals. Theresa MacHemer, Smithsonian Magazine, 25 Mar. 2021 The primary instrument on the Viking landers, a gas chromatograph-mass spectrometer, used heat to try and find these molecules. Ashley May, USA TODAY, 12 July 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'gas chromatograph.' 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

1958, in the meaning defined above

Time Traveler
The first known use of gas chromatograph was in 1958

Dictionary Entries Near gas chromatograph

Cite this Entry

“Gas chromatograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gas%20chromatograph. Accessed 16 Apr. 2024.

Medical Definition

gas chromatograph

noun
: an instrument used to separate a sample into components in gas chromatography
Last Updated: - Updated example sentences
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