column development chromatography

column development chromatography

[′käl·əm də′vel·əp·mənt ‚krō·mə′täg·rə·fē]
(analytical chemistry)
Columnar apparatus for separating or concentrating one or more components from a physical mixture by use of adsorbent packing; as the specimen percolates along the length of the adsorbent, its various components are preferentially held at different rates, effecting a separation.