Elution The removal of an adsorbed substance in a CHROMATOGRAPHY column or ion-exchange column using a solvent (eluent), giving a solution called the eluate.

• 洗脱：是用溶剂（洗脱液）将色谱柱或离子交换柱中的被吸附物质洗脱出来并排出洗出液的过程。