A variation of the standard addition method. In this procedure changes in the potential
resulting from the addition of a known amount of a species which reacts stoichiometrically
with the ion of interest (e.g. a complexing agent) are employed to determine the original
activity or concentration of the ion.
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