surface (excess) conductivity

https://doi.org/10.1351/goldbook.S06163
The excess @[email protected] in a surface per unit length and width, symbol \(\kappa ^{\sigma }\).
Source:
PAC, 1972, 31, 577. (Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry) on page 621 [Terms] [Paper]