elution
noun
- The act of extracting or washing one material from another
Wiktionary
Pronunciation: /əˈl(j)uːʃən/
noun
Etymology: From the verb elute.
- The process of removing materials that are absorbed with a solvent.
“The quicker the alkali salts are removed during elution, the less chance will there be of forming insoluble lime salts, consequently the melassate which offers the greatest surface to the action of the alcohol will be best and quickest washed.”