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 ?
Guillet, Studies of Polystyrene in the Region of the Glass Transition Temperature by Inverse Gas Chromatography, Macromolecules, 8, 882 (1975).
Schantz is the team leader of the Gas Chromatography Team, and S.
Multidimensional and Comprehensive Gas Chromatography
The inverse term of IGC points out that the interest in the IGC is the stationary phase unlike traditional gas chromatography.
The gas chromatography market is being analyzed in terms of three main segments, namely gas chromatography reagents, gas chromatography accessories and consumables, and gas chromatography instruments.
Many acetone soluble polar components, including oxidized resin acids, also are important to pulp and papermaking and can be readily assayed using gas chromatography.
Many gas chromatography manufacturers, such as PerkinElmer and Thermo Electron, also sell thermal desorbers.
In conventional gas chromatography, chemical component separation is performed with one column.
The purpose of this consultation is to award a contract for the supply, installation and commissioning of a high-resolution mass spectrometer equipped with an electron ionisation (ei) source coupled with two-dimensional gas chromatography (gc gc ) being the subject of an evaluation of the material proposed by the candidate for submission; according to the functional specifications and tests defined by ifpen.
ClickPress, Fri Apr 10 2015] Gas Chromatography Market by Segment (Gas Chromatography Accessories and Consumables, Gas Chromatography Instruments, Gas Chromatography Reagents), by End-User (Agriculture Industry, Oil & Gas Industry) - Global Forecast to 2019
The comprehensive catalog is organized into four core segments: sample preparation, vials and closures, gas chromatography and liquid chromatography, and it combines all the latest product innovations--including those added after the Dionex acquisition--into a single, user-friendly portfolio.
From liquid to gas, the ability of the technique has been steadily developed and this text provides a guide and reference to capillary gas chromatography analysis of food, its components and trace contaminants.

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