gas chromatography

[ gas-kroh-muh-tog-ruh-fee ]

/ ˈgæs ˌkroʊ məˈtɒg rə fi /

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noun Chemistry.

chromatography in which a substance is converted into vapor and mixed with a gaseous element, as nitrogen, then separated and quantified by preferential adsorption by a solid or liquid element.

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Origin of gas chromatography

First recorded in 1950–55

Words nearby gas chromatography

gasbag, gas black, gas burner, gas chamber, gas chromatograph, gas chromatography, gas coal, Gascoigne, Gascon, gasconade, gas constant

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use gas chromatography in a sentence

Next, the team created a “chemical fingerprint” of the airborne components that contributed to each cultivar’s unique scent using gas chromatography, mass spectroscopy and a sulfur chemiluminescence detector.
Here’s the chemistry behind marijuana’s skunky scent|Ariana Remmel|November 30, 2021|Science News
Security officials told Agence France-Presse that the gas station manager said he had recognized the two men.
France Mourns—and Hunts|Nico Hines, Christopher Dickey|January 8, 2015|DAILY BEAST
Unconfirmed reports in the French media claimed that the brothers were spotted at a gas station in northern France on Thursday.
France Mourns—and Hunts|Nico Hines, Christopher Dickey|January 8, 2015|DAILY BEAST
Total oil production figures include crude oil, natural gas liquids, and other liquid energy products.
Fact-Checking the Sunday Shows: Jan. 4|PunditFact.com|January 5, 2015|DAILY BEAST

On top of oil, the United States produces significantly more natural gas than Saudi Arabia.
Fact-Checking the Sunday Shows: Jan. 4|PunditFact.com|January 5, 2015|DAILY BEAST
Her slight miscalculation of how to fix the situation leads to her driving around the gas pump.
Slow Motion Tiger Jump, a Tornado at the Rose Bowl and More Viral Videos|The Daily Beast Video|January 4, 2015|DAILY BEAST
For comparison, the gas may be passed through a test-tube containing an equal amount of distilled water.
A Manual of Clinical Diagnosis|James Campbell Todd
It is allowed to cool, and hydrogen sulphid gas is passed through it for about five minutes.
A Manual of Clinical Diagnosis|James Campbell Todd
You could not see the water till you got close up, and at a distance only the rows of gas jets were apparent.
Music-Study in Germany|Amy Fay
Gas, it is clear, could not be carried into a hostile country or into remote and nearly inaccessible districts.
Asbestos|Robert H. Jones
In its pure state it is a transparent and colourless gas, having a peculiar pungent smell, and highly soluble in water.
Elements of Agricultural Chemistry|Thomas Anderson

British Dictionary definitions for gas chromatography

gas chromatography

noun

a technique for analysing a mixture of volatile substances in which the mixture is carried by an inert gas through a column packed with a selective adsorbent and a detector records on a moving strip the conductivity of the gas leaving the tube. Peaks on the resulting graph indicate the presence of a particular componentAlso called: gas-liquid chromatography

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for gas chromatography

gas chromatography

Chromatographic process in which a mixture of gases or vapors are separated by their differential adsorption by a stationary phase.