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单词 gas chromatograph
释义

gas chromatographn.

Brit. /ˌɡas krə(ʊ)ˈmatəɡrɑːf/, /ˌɡas krə(ʊ)ˈmatəɡraf/, U.S. /ˌɡæs kroʊˈmædəɡræf/
Origin: Formed within English, by compounding. Etymons: gas n.1, chromatograph n.
Etymology: < gas n.1 + chromatograph n.
Chemistry.
A device for performing gas chromatography.
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the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > chromatography > apparatus
transilluminator1892
gas chromatograph1954
chromatograph1958
1954 Jrnl. Chem. Physics 22 1050/2 By means of a stream of dry hydrogen 35 cc of the ketene sample (I) was lead [sic] through a gas chromatograph.
1979 Texas Monthly July 129/1 Set up the contents of my milk..so Ed could run them through a machine called a gas chromatograph.
2006 L. Turin Secret of Scent 155 The blended cowpat was then gently heated, the volatile fraction collected and put through a gas chromatograph.
This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022).
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n.1954
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