[¦kap·ə·ler·ē i‚lek·trō‚krō·mə′täg·rə·fē] (analytical chemistry) A separation technique in which analytes are transported through a small-diameter packed column by electroosmosis (electrically induced flow of the mobile phase) by applying a high potential (5-30 kilovolts) across the column.AcronymsSeeCEC