Title: countercurrent extraction
Long Title: IUPAC Gold Book - countercurrent extraction
DOI: 10.1351/goldbook.10170
Status: current

Definition
Extraction in which both phases are continuously added (or changed) and flow (or move) in opposite directions as the extraction progresses.

Note
The phases are either immiscible or separated by a membrane.

Source
- PAC, 2016, 88, 517. 'Glossary of terms used in extraction (IUPAC Recommendations 2016)' on page 522 (https://doi.org/10.1515/pac-2015-0903)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/10170/html
- json: https://goldbook.iupac.org/terms/view/10170/json
- xml: https://goldbook.iupac.org/terms/view/10170/xml

Citation: Citation: 'countercurrent extraction' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.10170
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Accessed: 2026-04-18T09:27:28+00:00