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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 absorption of compounds to the adsorbent; compounds move through the column at different rates, allowing them to be separated into fractions.

  3. Chromatography - Wikipedia

    en.wikipedia.org/wiki/Chromatography

    Chromatography, pronounced / ˌ k r oʊ m ə ˈ t ɒ ɡ r ə f i /, is derived from Greek χρῶμα chrōma, which means "color", and γράφειν gráphein, which means "to write".". The combination of these two terms was directly inherited from the invention of the technique first used to separate biological pigme

  4. Wikipedia : Reference desk/Archives/Science/2012 August 12

    en.wikipedia.org/wiki/Wikipedia:Reference_desk/...

    Flash chromatography is a kind of column chromatography which uses fluid (usually gas) pressure instead of gravity. See Column chromatography#Mobile phase (eluent) and this external link from that article. They explain the use of silica gel but I have no idea what sodium sulfate is for. Huh. The other two chemicals are common chromatography ...

  5. Flash column chromatography - Wikipedia

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

    move to sidebar hide. From Wikipedia, the free encyclopedia

  6. Fast protein liquid chromatography - Wikipedia

    en.wikipedia.org/wiki/Fast_protein_liquid...

    Fast protein liquid chromatography (FPLC) is a form of liquid chromatography that is often used to analyze or purify mixtures of proteins. As in other forms of chromatography, separation is possible because the different components of a mixture have different affinities for two materials, a moving fluid (the mobile phase) and a porous solid (the stationary phase).

  7. Capillary electrochromatography - Wikipedia

    en.wikipedia.org/.../Capillary_electrochromatography

    [1] [2] Capillary electrochromatography is a combination of two analytical techniques, high-performance liquid chromatography and capillary electrophoresis. Capillary electrophoresis aims to separate analytes on the basis of their mass-to-charge ratio by passing a high voltage across ends of a capillary tube , which is filled with the analyte.

  8. Size-exclusion chromatography - Wikipedia

    en.wikipedia.org/wiki/Size-exclusion_chromatography

    Size-exclusion chromatography, also known as molecular sieve chromatography, [1] is a chromatographic method in which molecules in solution are separated by their shape, and in some cases size. [2] It is usually applied to large molecules or macromolecular complexes such as proteins and industrial polymers. [3]

  9. Expanded bed adsorption - Wikipedia

    en.wikipedia.org/wiki/Expanded_bed_adsorption

    Where classical column chromatography uses a solid phase made by a packed bed, EBA uses particles in a fluidized state, ideally expanded by a factor of 2. Expanded bed adsorption is, however, different from fluidised bed chromatography in essentially two ways: one, the EBA resin contains particles of varying size and density which results in a ...

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