Title: catalyst
Long Title: IUPAC Gold Book - catalyst
DOI: 10.1351/goldbook.C00877
Status: current

Definition
A substance included in the solvent to increase the rate of transfer without affecting the position of equilibrium. The term accelerator may also be used but kinetic synergist is not recommended.

Related Term
- kinetic synergist: https://goldbook.iupac.org//terms/view/K03408

Source
- PAC, 1993, 65, 2373. 'Nomenclature for liquid-liquid distribution (solvent extraction) (IUPAC Recommendations 1993)' on page 2380 (https://doi.org/10.1351/pac199365112373)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/C00877/html
- json: https://goldbook.iupac.org/terms/view/C00877/json
- xml: https://goldbook.iupac.org/terms/view/C00877/xml

Citation: Citation: 'catalyst' 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.C00877
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Accessed: 2026-06-07T12:48:48+00:00