Flash Column Chromatography

Flash column chromatography: a specialized chromatography technique that uses compressed gas (such as nitrogen or air) or a pump to push solvent through the column. This technique is particularly advantageous because it allows for faster flow rates of the solvent, as opposed to simple gravity flow. Special considerations for flash chromatography include the usage of a finer particle size for the stationary phase (such as silica gel).

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Zubrick, James W. The Organic Chem Lab Survival Manual. 7th ed. New York: Wiley, 2008. Print.