tailing factor

in chromatography
https://doi.org/10.1351/goldbook.09905

Width of the back of a peak (\(b\)) divided by the width of the front (\(f\)) of the peak measured at \(\pu{10\%}\) of the peak height. See figure in asymmetry factor.

Source:
PAC, 2017, 90, 181. (Terminology of separation methods (IUPAC Recommendations 2017)) on page 196 [Terms] [Paper]