effective length of the capillary

symbol: $L_{\rm{eff}}$
https://doi.org/10.1351/goldbook.09918
Length of the capillary from the sample introduction point to the detection point.
Source:
PAC, 2017, 90, 181. (Terminology of separation methods (IUPAC Recommendations 2017)) on page 214 [Terms] [Paper]