column chromatography

См. также в других словарях:

• column chromatography — n chromatography in which the substances to be separated are introduced onto the top of a column packed with an adsorbent (as silica gel or alumina), pass through the column at different rates that depend on the affinity of each substance for the …   Medical dictionary

• column chromatography — Chromatography Chro ma*tog ra*phy, n. [Gr. ?, ?, color + graphy.] 1. A treatise on colors [archaic] [1913 Webster] 2. (Chem.) an analytical and preparative technique for separating substances by differences in their selective adsorption to solids …   The Collaborative International Dictionary of English

• Column chromatography — A chemist in the 1950s using column chromatography. The Erlenmeyer receptacles are on the floor. Column chromatography in chemistry is a method used to purify individual chemical compounds from mixtures of compounds. It is often used for… …   Wikipedia

• column chromatography — kolonėlinė chromatografija statusas T sritis Standartizacija ir metrologija apibrėžtis Chromatografija, kai medžiagos perskiriamos gėriklių pripildytoje kolonėlėje. atitikmenys: angl. column chromatography vok. Säulenchromatographie, f rus.… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

• column chromatography — kolonėlinė chromatografija statusas T sritis chemija apibrėžtis Chromatografija, kai stacionarioji fazė suberta į kolonėlę. atitikmenys: angl. column chromatography rus. колоночная хроматография …   Chemijos terminų aiškinamasis žodynas

• column chromatography — noun chromatography that uses selective adsorption by a column of powders (Freq. 1) • Hypernyms: ↑chromatography * * * noun : chromatography in which the substances to be separated are introduced onto the top of a column packed with an adsorbent… …   Useful english dictionary

• column chromatography — Chem. See under chromatography. * * * ▪ chemistry       in analytical chemistry, method for separating mixtures of substances in which a liquid or gaseous solution of the mixture is caused to flow through a tube packed with a finely divided solid …   Universalium

• Chiral column chromatography — is a variant of column chromatography in which the stationary phase contains a single enantiomer of a chiral compound rather than being achiral. The two enantiomers of the same analyte compound differ in affinity to the single enantiomer… …   Wikipedia

• Chromatography — Chro ma*tog ra*phy, n. [Gr. ?, ?, color + graphy.] 1. A treatise on colors [archaic] [1913 Webster] 2. (Chem.) an analytical and preparative technique for separating substances by differences in their selective adsorption to solids, by passing a… …   The Collaborative International Dictionary of English

• 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

• 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