crowding

in solvent extraction
https://doi.org/10.1351/goldbook.C01420
The displacement of an impurity from an extract phase by contact with a solution containing the main extractable solute. The main solute need not be present in a pure solution but should have a higher distribution ratio than the impurities present.
See also:
scrubbing (in solvent extration, in atmospheric chemistry)
,
exchange extraction
Source:
PAC, 1993, 65, 2373. (Nomenclature for liquid-liquid distribution (solvent extraction) (IUPAC Recommendations 1993)) on page 2386 [Terms] [Paper]
Citation: 'crowding' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.C01420 RIS BibTex EndNote
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Last revised: February 24, 2014