AskDefine | Define elution

Dictionary Definition

elution n : the process of extracting one material from another by washing with a solvent to remove adsorbed material from an adsorbent (as in washing of loaded ion-exchange resins to remove captured ions); used to obtain uranium ions

User Contributed Dictionary



From the verb elute.


  1. The process of removing materials that are absorbed with a solvent.



  • Elution, Merriam-Webster's Online Dictionary, 2007.

Extensive Definition

Elution refers to the emergence of chemicals from the column of a chromatograph. The chemicals then typically flow into a detector of some description. Predicting and controlling the order of elution is a key aspect of column chromatographic methods.


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