Defined analogously to mass distribution ratio (in micellar electrokinetic chromatography), kMEEKC by replacing terms for micelles with corresponding terms for micro-emulsion.
Source:
PAC, 2004, 76, 443. 'Terminology for analytical capillary electromigration techniques (IUPAC Recommendations 2003)' on page 449 (https://doi.org/10.1351/pac200476020443)