column diameter

symbol: $d_{\rm{c}}$
https://doi.org/10.1351/goldbook.09897
Inner diameter of the column tubing.
Note: The column radius \(r_{\rm{c}} = d_{\rm{c}}/2\).
Source:
PAC, 2017, 90, 181. 'Terminology of separation methods (IUPAC Recommendations 2017)' on page 190 (https://doi.org/10.1515/pac-2017-0111)