The equilibrium constant
for the addition of the
to a charged or uncharged ligand. The cumulative protonation constant,
is the equilibrium constant
for the formation of
. The same equilibrium constant
may be described in several ways,
depending on how the ligand,
, or the acid, has been defined.
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