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analytical column

См. также в других словарях:

  • 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-oriented DBMS — A column oriented DBMS is a database management system (DBMS) that stores its content by column rather than by row. This has advantages for data warehouses and library catalogues where aggregates are computed over large numbers of similar data… …   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

  • Online analytical processing — In computing, online analytical processing, or OLAP (  /ˈoʊlæ …   Wikipedia

  • 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

  • Fractionating column — A fractionating column or fractionation column is an essential item used in the distillation of liquid mixtures so as to separate the mixture into its component parts, or fractions, based on the differences in their volatilities. Fractionating… …   Wikipedia

  • online analytical processing —    Abbreviated OLAP. A category of software used to analyze historical business data to find previously hidden patterns.    Analysts use OLAP software to view data in a multidimensional form, rather than in the more usual two dimensional row and… …   Dictionary of networking

  • Metabolomics — is the scientific study of chemical processes involving metabolites. Specifically, metabolomics is the systematic study of the unique chemical fingerprints that specific cellular processes leave behind , the study of their small molecule… …   Wikipedia

  • Membrane emulsification — (ME) is a relatively novel technique for producing all types of single and multiple emulsions (o/w, w/o, w/w, w/o/w, o/w/o, m/w, s/o/w), e.g. for DDS (drug delivery system), solid micro carriers for encapsulation of drug or nutrient, solder… …   Wikipedia

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