thermal-conductivity detector

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• Thermal conductivity detector — The thermal conductivity detector (TCD) is a bulk property detector and a chemical specific detector commonly used in gas liquid chromatography. [Grob, Robert L. Ed.; Modern Practice of Gas Chromatography , John Wiley Sons, C1977, pg. 228, ] This …   Wikipedia

• thermal conductivity detector —    A type of gas chromatographic detector which is sensitive to the change in the ability of the gases emerging from the column to conduct heat. A thermal conductivity (TC) detector is not as sensitive as a flame ionization detector, but it is… …   Forensic science glossary

• 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

• Flame ionization detector — A flame ionization detector (FID) is a type of gas detector used in gas chromatography. The first flame ionization detector was developed in 1957 by scientists working for the CSIRO in Melbourne, Australia.… …   Wikipedia

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

• 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

• Dumas method — For the method to determine the molecular weight of an unknown compound, see Dumas method of molecular weight determination. The Dumas method in analytical chemistry is a method for the quantitative determination of nitrogen in chemical… …   Wikipedia

• Dissolved gas analysis — or DGA is the study of dissolved gases in insulating fluid. [1] Insulating materials within transformers and related equipment break down to liberate gases within the unit. The distribution of these gases can be related to the type of electrical… …   Wikipedia

• History of chromatography — The history of chromatography spans from the mid 19th century to the 21st. Chromatography, literally color writing , was used mdash;and named mdash; in the first decade of the 20th century, primarily for the separation of plant pigments such as… …   Wikipedia

• TCD — can be used as: *Chad, ISO 3 letter country code*Teller cash dispenser *Tentative Channel Designation *Thalamocortical Dysrhythmia *Thermal Conductivity Detector, a type of detector used in Gas Chromatography *Transcranial Doppler, a test that… …   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