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A fluid used to elute a substance.
- ‘The eluent was 20 mM sodium acetate / 10 mM citric acid buffer containing 10% methanol.’
- ‘The eluent was 50 mM potassium phosphate buffer, pH 5.5, containing 1% methanol.’
- ‘The initial eluent was 2.5% water in acetonitrile for 4 min, followed by a slightly concave gradient reaching 25% water at 12 min.’
- ‘The eluant consisted of a combination of sodium acetate, sodium hydroxide and water.’
- ‘The resulting solution was applied to a gel filtration column and the eluent applied to an anion-exchange column and eluted using a 0-500-mM NaCl gradient.’
1940s: from Latin eluent- washing out, from the verb eluere (see elute).
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