electron capture detector

electron capture detector
An item of laboratory equipment used coupled to a gas chromatograph for the detection and quantification of very minute amounts halogenated organic compounds.

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  • Electron capture detector — The electron capture detector (ECD) was invented in 1957, by Dr. James E. Lovelock . [cite journal title = A sensitive detector for gas chromatography author = J. E. Lovelock journal = Journal of Chromatography A year = 1958 volume = 1 issue = 1… …   Wikipedia

  • electron capture detector — (ECD)    A type of gas chromatographic detector which is sensitive to halogenated hydrocarbons and other molecules capable of easily gaining an electron. Electron capture is not generally used for hydrocarbon detection …   Forensic science glossary

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  • Detector de captura de electrones — Detector utilizado en cromatografía de gases. Su funcionamiento básico se basa en la emisión de una partícula ß (electrón) por parte de átomos como el 63Ni o tritio adsorbido sobre una placa de platino o titanio. Típicamente, un ECD (electron… …   Enciclopedia Universal

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  • 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

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