pre-equilibrium

in solvent extraction
https://doi.org/10.1351/goldbook.P04809
  1. Preliminary treatment of a solvent in order to convert the extractants into a suitable chemical form.
  2. Preliminary treatment of either phase with a suitable solution of the other phase (in the absence of main extractable solute(s)) so that when the subsequent @E02175@ is carried out changes in the (volume) phase ratio or in the concentrations of other components are minimized.
Notes:
  1. The use of @E02175@ in this sense is confusing and should be avoided.
  2. The term conditioning may be used as a synonym for pre-@E02175@.
Source:
PAC, 1993, 65, 2373. (Nomenclature for liquid-liquid distribution (solvent extraction) (IUPAC Recommendations 1993)) on page 2378 [Terms] [Paper]
Citation: 'pre-equilibrium' 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.P04809 RIS BibTex EndNote
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Last revised: February 24, 2014