promoter

in catalysis
https://doi.org/10.1351/goldbook.P04876
A relatively small quantity of one or more substances, which when added to a @C00876@ improves the activity, the @S05563@, or the useful @L03515@ of the @C00876@. In general, a promoter may either augment a desired reaction or suppress an undesired one.
Source:
PAC, 1976, 46, 71. (Manual of Symbols and Terminology for Physicochemical Quantities and Units - Appendix II. Definitions, Terminology and Symbols in Colloid and Surface Chemistry. Part II: Heterogeneous Catalysis) on page 79 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
Div. IPDFTextJSONHistory
Last revised: February 24, 2014