gas chromatograph

noun

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

Example Sentences

Recent Examples on the Web

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

Although almost completely paralyzed, Rhyme works with utmost efficiency from the living room of his townhouse, which comes fully equipped with high-tech gadgets, including a very serious gas chromatograph/mass spectrometer. —Marilyn Stasio, New York Times, 13 Apr. 2018

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Word History

First Known Use

1958, in the meaning defined above

Medical Definition

gas chromatograph

noun

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