the removal of adsorbed species from a porous bed or chromatographic column by passing the mobile phase through the stationary phase, the process of removing an adsorbed material (adsorbate) from an adsorbent by washing it in a liquid (eluent), sorbeerunud aine väljatõrjumine sorbendist läbi sorbendikihi voolava vedeliku või gaasiga – eluendiga