单词 | gas chromatography |
释义 | gas chromatographyn. Chemistry. Chromatography in which a gas is used as the moving carrier phase, transporting a gaseous or vaporized sample through a tube containing the (solid or liquid) stationary phase, and causing the constituents of the sample to move at different rates and so become separated. ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > chromatography > types partition chromatography1943 paper chromatography1947 ionography1950 gas chromatography1952 thin-layer chromatography1957 TLC1961 affinity chromatography1968 1952 Industr. & Engin. Chem. 44 645/1 The effects of longitudinal diffusion have been studied experimentally in the related case of gas chromatography by Barrow and coworkers. 1973 New Scientist 22 Mar. (Instrument Suppl.) 3/2 To be able to analyse a substance by gas chromatography it must first be possible to volatilise the substance itself without causing decomposition. 1992 C. A. Smith & E. J. Wood Biosynthesis v. 95 The product of this reaction can be readily detected by gas chromatography. 2009 A. Lehrer Wine & Conversat. (ed. 2) xii. 188 Gas chromatography has been especially important, enabling scientists to identify over 1,000 wine aroma compounds. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022). < n.1952 |
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