- column of adsorbent
- 柱吸附
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
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 — 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 — 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 — 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 — 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
Monolithic HPLC column — A monolithic HPLC column is a special type of column used in HPLC with porous channels rather than beads. High performance liquid chromatography (HPLC) is the third most widely used laboratory instrument, surpassed only by analytical balances and … Wikipedia
Elution — Chromatography column Elution is a term used in analytical and organic chemistry to describe the process of extracting one material from another by washing with a solvent (as in washing of loaded ion exchange resins to remove captured ions). In a … 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 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
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 … English World dictionary
separation and purification — ▪ chemistry Introduction in chemistry, separation of a substance into its components and the removal of impurities. There are a large number of important applications in fields such as medicine and manufacturing. General principles… … Universalium