noun, plural: eluents

A substance that separates and moves constituents of a mixture through the column of a chromatograph.


The eluent in liquid chromatography is a liquid solvent whereas in gas chromatography is a carrier gas.

Word origin: Latin ēluēns, ēluent-, present participle of ēluere, to wash out
Related forms: elution (noun), eluate (verb)

Variant: eluant

Synonym: elutant

Compare: eluate
See also: elution.

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