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reversed-phase partition chromatography

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  • 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

  • Partition coefficient — In chemistry and the pharmaceutical sciences, a partition (P) or distribution coefficient (D) is the ratio of concentrations of a compound in the two phases of a mixture of two immiscible solvents at equilibrium.[1] The terms gas/liquid partition …   Wikipedia

  • 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 — The separation of chemical substances and particles (originally plant pigments and other highly colored compounds) by differential movement through a two phase system. The mixture of materials to be separated is percolated through a column or… …   Medical dictionary

  • Micellar liquid chromatography — Acronym MLC Classification Chromatography Other techniques Related High performance liquid chromatography Aqueous Normal Phase Chromatography Size exclusion chromatography Ion exchange chromatography Micellar liquid chromatography (MLC) is a form …   Wikipedia

  • High-performance liquid chromatography — An HPLC. From left to right: A pumping device generating a gradient of two different solvents, a steel enforced column and an apparatus for measuring the absorbance. Acronym HPLC Classification Chromatography …   Wikipedia

  • Countercurrent chromatography — (CCC) or partition chromatography is a category of chromatography techniques;[1] laboratory techniques for the separation of mixtures, in this case liquid liquid mixtures. Contents 1 Chromatography 2 Techniques …   Wikipedia

  • Aqueous normal phase chromatography — Infobox chemical analysis name = Aqueous normal phase chromatography caption = acronym = classification = chromatography analytes = manufacturers = related = Hydrophilic interaction liquid chromatography Ion exchange chromatography hyphenated =… …   Wikipedia

  • Displacement chromatography — is a chromatography technique in which a sample is placed onto the head of the column[n 1] and is then displaced by a solute that is more strongly sorbed than the components of the original mixture. The result is that the components are resolved… …   Wikipedia

  • Micellar electrokinetic chromatography — (MEKC), is a chromatography technique, used in analytical chemistry. It is a modification of capillary electrophoresis (CE), where the samples are separated by differential partitioning between micelles (pseudo stationary phase) and a surrounding …   Wikipedia

  • Hydrophilic interaction liquid chromatography — HILIC (HydrophILic Interaction Chromatography or Hydrophilic Interaction LIquid Chromatography) is a version of normal phase liquid chromatography. The name was suggested by Dr. Andrew Alpert in his 1990 paper on the subjectcite journal | last =… …   Wikipedia

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