mass transfer coefficient

in electrochemistry
https://doi.org/10.1351/goldbook.M03754
The @[email protected] defined for the case of the @[email protected] A more general definition in terms of the @[email protected] is: \[k_{\text{d}}=\frac{j\ \nu }{n\ F\ (c_{\text{e}}- c_{0})}\] or \[k_{\text{d}} = \frac{j\ \nu \ (1- t_{\text{B}}\ n\ \nu ^{-1}\ z_{\text{B}}^{-1})}{n\ F\ (c_{\text{e}}- c_{0})}\] where \(j\) is the @[email protected], \(\nu \) is the @[email protected], \(n\) is the @[email protected], \(F\) is the @[email protected], \(c_{\text{e}}\) is the @[email protected], \(c_{0}\) is the @[email protected], \(t_{\text{B}}\) is the @[email protected] of species B, and \(z_{\text{B}}\) is the @[email protected] of species B.
Source:
PAC, 1981, 53, 1827. (Nomenclature for transport phenomena in electrolytic systems) on page 1839 [Terms] [Paper]