The decrease in
rate of reaction brought about by the addition of a substance
inhibitor), by virtue of its effect on the concentration of a reactant,
catalyst or
reaction intermediate. For example, molecular oxygen and
p-benzoquinone can react as '
inhibitors' in many reactions involving
radicals as intermediates by virtue of their ability to act as
scavengers toward these radicals. If the rate of a reaction in the absence of
inhibitor is
and that in the presence of a certain amount of
inhibitor is
, the degree of inhibition
(
) is given by:
Source:
PAC, 1994, 66, 1077
(Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994))
on page 1125
PAC, 1996, 68, 149
(A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC
Recommendations 1996))
on page 169
See also:
PAC, 1992, 64, 143
(Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992))
on page 157
PAC, 1993, 65, 2291
(Nomenclature of kinetic methods of analysis (IUPAC Recommendations 1993))
on page 2295
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).
XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic,
J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8.
https://doi.org/10.1351/goldbook.
