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  2. Column chromatography - Wikipedia

    en.wikipedia.org/wiki/Column_chromatography

    Column chromatography in chemistry is a chromatography method used to isolate a single chemical compound from a mixture. Chromatography is able to separate substances based on differential adsorption of compounds to the adsorbent; compounds move through the column at different rates, allowing them to be separated into fractions.

  3. W. Clark Still - Wikipedia

    en.wikipedia.org/wiki/W._Clark_Still

    In 1978, Still and coworkers published a highly influential paper reporting a purification technique known as flash column chromatography. [1] Prior to this report, column chromatography using silica gel as a stationary phase had already been established as a valuable method for the separation and purification of organic compounds. However ...

  4. Chromatography - Wikipedia

    en.wikipedia.org/wiki/Chromatography

    In chemical analysis, chromatography is a laboratory technique for the separation of a mixture into its components. The mixture is dissolved in a fluid solvent (gas or liquid) called the mobile phase, which carries it through a system (a column, a capillary tube, a plate, or a sheet) on which a material called the stationary phase is fixed ...

  5. Reversed-phase chromatography - Wikipedia

    en.wikipedia.org/wiki/Reversed-phase_chromatography

    Reversed-phase liquid chromatography (RP-LC) is a mode of liquid chromatography in which non-polar stationary phase and polar mobile phases are used for the separation of organic compounds. [1][2][3] The vast majority of separations and analyses using high-performance liquid chromatography (HPLC) in recent years are done using the reversed ...

  6. Flash column chromatography - Wikipedia

    en.wikipedia.org/?title=Flash_column...

    This page was last edited on 24 July 2005, at 19:36 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike License 4.0; additional terms may ...

  7. History of chromatography - Wikipedia

    en.wikipedia.org/wiki/History_of_chromatography

    Chromatography, literally "color writing", [1] was used—and named— in the first decade of the 20th century, primarily for the separation of plant pigments such as chlorophyll (which is green) and carotenoids (which are orange and yellow). New forms of chromatography developed in the 1930s and 1940s made the technique useful for a wide range ...

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