gas chromatography detector

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• Gas chromatography — A gas chromatograph with a headspace sampler Acronym GLC, GC Classification chromatography Analytes organic inorganic …   Wikipedia

• Gas chromatography-mass spectrometry — (GC MS) is a method that combines the features of gas liquid chromatography and mass spectrometry to identify different substances within a test sample. Applications of GC MS include drug detection, fire investigation, environmental analysis,… …   Wikipedia

• gas chromatography — n chromatography in which the sample mixture is vaporized and injected into a stream of carrier gas (as nitrogen or helium) moving through a column containing a stationary phase composed of a liquid or a particulate solid and is separated into… …   Medical dictionary

• gas chromatography — n. chromatography in which a gas, often nitrogen, combines with a vaporized mixture that is then passed through a long column of adsorbent material to identify its constituents * * * ▪ chemistry       in analytical chemistry, technique for… …   Universalium

• Chromatography detector — A chromatography detector is a device used in gas chromatography (GC) or liquid chromatography (LC) to visualize components of the mixture being eluted off the chromatography column. There are two general types of detectors: destructive and non… …   Wikipedia

• gas chromatography (GC) — Type of chromatography with a gas mixture as the mobile phase. In a packed column, the packing or solid support (held in a tube) serves as the stationary phase (vapour phase chromatography, or VPC) or is coated with a liquid stationary phase (gas …   Universalium

• Gas chromatography ion detector — Many GC detectors are ion detectors with varying methods of ionizing the components eluting from the GC s column.Principle of OperationAn ion detector is analogous to a capacitor or vacuum tube. It can be envisioned as two metal grids separated… …   Wikipedia

• chromatography — chromatographer, n. chromatographic /kreuh mat euh graf ik, kroh meuh teuh /, adj. chromatographically, adv. /kroh meuh tog reuh fee/, n. Chem. the separation of mixtures into their constituents by preferential adsorption by a solid, as a column… …   Universalium

• Gas-liquid chromatography — Infobox chemical analysis name = Gas liquid chromatography caption =A gas chromatograph with a headspace sampler acronym = GLC, GC classification =chromatography analytes = organic inorganic must be volatile manufacturers = Agilent (a spin off of …   Wikipedia

• Chromatography — Pictured is a sophisticated gas chromatography system. This instrument records concentrations of acrylonitrile in the air at various points throughout the chemical laboratory. Chromatography (from Greek χρῶμα chroma color and γράφειν graphein to… …   Wikipedia

• chromatography — The separation of chemical substances and particles (originally plant pigments and other highly colored compounds) by differential movement through a two phase system. The mixture of materials to be separated is percolated through a column or… …   Medical dictionary