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  1. Chromatography | Definition, Types, & Facts | Britannica

    Apr 7, 2026 · Chromatography, technique for separating the components, or solutes, of a mixture on the basis of the relative amounts of each solute distributed between a moving fluid stream, called the …

  2. Paper chromatography | Definition, Method, & Uses | Britannica

    Feb 27, 2026 · Paper chromatography, in analytical chemistry, is a technique for separating dissolved chemical substances by taking advantage of their different rates of migration across sheets of paper. …

  3. Chromatography - Separation, Retention, Resolution | Britannica

    Apr 7, 2026 · Chromatography - Separation, Retention, Resolution: There are two features of the concentration profile important in determining the efficiency of a column and its subsequent ability to …

  4. Stationary phase | Chromatography | Britannica

    Apr 11, 2026 · Stationary phase, in analytical chemistry, the phase over which the mobile phase passes in the technique of chromatography. Typically, the stationary phase is a porous solid that is packed …

  5. What Is Chromatography? | Britannica

    In chemistry, once a mixture is made, how can it be separated? Chromatography is a laboratory technique that you can use to separate a mixture into its individual chemical components.

  6. Chromatography - Separation, Adsorption, Retention | Britannica

    Apr 7, 2026 · Chromatography - Separation, Adsorption, Retention: Chromatographic methods are classified according to the following criteria: (1) geometry of the system, (2) mode of operation, (3) …

  7. Mobile phase | chromatography | Britannica

    stationary phase, in analytical chemistry, the phase over which the mobile phase passes in the technique of chromatography. Chromatography is a separation process involving two phases, one …

  8. Chromatography - Elution, Separation, Adsorption | Britannica

    Apr 7, 2026 · Chromatography - Elution, Separation, Adsorption: This method, employed with columns, involves solute migration through the entire system and solute detection as it emerges from the …

  9. Gas chromatography | Analysis, Separation, Identification | Britannica

    Mar 31, 2026 · Gas chromatography, in analytical chemistry, technique for separating chemical substances in which the sample is carried by a moving gas stream through a tube packed with a …

  10. Separation and purification - Chromatography, Adsorption, Retention ...

    Separation and purification - Chromatography, Adsorption, Retention: Chromatography, as noted above, is a separation process involving two phases, one stationary and the other mobile. Typically, the …