Term: extraction factor, \(D_{\text{m}}\)
https://doi.org/10.1351/goldbook.E02305

Definition:
The ratio of the total mass of a solute in the extract to that in the other phase.

Notes:
0) It is the product of the (concentration) distribution ratio and the appropriate phase ratio.
1) It is synonymous with the concentration factor or mass distribution ratio, this latter term being particularly apt.
2) The term concentration factor is often employed for the overall @E02301@ factor in a process or process step.

Related Terms:
1) extraction (http://doi.org/10.1351/goldbook.E02301).

Source: PAC, 1993, 65, 2373. 'Nomenclature for liquid-liquid distribution (solvent extraction) (IUPAC Recommendations 1993)' on page 2384 (https://doi.org/10.1351/pac199365112373)

Citation: 'extraction factor, \(D_{\text{m}}\)' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.E02305

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