This is defined as
are the quantities of the microcomponent in the concentrate and in the sample, respectively
(mass units or concentration units), and
are the quantities of the matrix before and after
, respectively. If the
The terms enrichment coefficient
and enrichment factor are not recommended.
PAC, 1979, 51, 1195
(Separation and preconcentration of trace substances. I - Preconcentration for inorganic
on page 1198
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. doi:10.1351/goldbook