gas chromatography

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gas chromatography

[¦gas ‚krō·mə′täg·rə·fē]
(analytical chemistry)
A separation technique involving passage of a gaseous moving phase through a column containing a fixed adsorbent phase; it is used principally as a quantitative analytical technique for volatile compounds.
References in periodicals archive ?
For mass spectroscopic analyses, either via the gas-chromatographic (GC) or direct exposure probe (DEP) routes, we have a Finnigan 4610 instrument with spectral library searching capability for some 180,000 compounds.
A rapid gas-chromatographic method for the determination of cotinine and nicotine in biological fluids.
Gas-chromatographic analysis of busulfan for therapeutic drug monitoring.