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ELECTROCHEMICAL TERMS IN COLLOID AND SURFACE CHEMISTRY

Surface charge density   $ {\sigma}^0$, $ {\sigma}^s$
Surface charge density in the Stern layer   $ {\sigma}^i$
Surface charge density in the Gouy layer   $ {\sigma}^d$
Point of zero charge  pzc
Surface potential  $ {\psi}^0$,$ {\psi}^s$
Electric potential at the inner boundary of the Gouy layer, Stern-plane potential   $ {\psi}^{d}$
Differential capacitance (of the electrical double-layer per unit area) ( $ =\mathrm{d}{\sigma}^0/\mathrm{d}{\psi}^0$)   $ C_{\text{dl}}$
Integral capacitance (of the electrical double-layer per unit area) ( $ = {\sigma}^0/{\psi}^0$)   $ K_{\text{dl}}$
Isoelectric point  iep
Thickness of the diffuse electrochemical double layer ( = Debye length)   $ 1/{\kappa}$
$ [= \sqrt{{\epsilon}_r {\epsilon}_0 RT/(F^2 {\sum}c_iz_i^2)}$ (rationalized four quantity system)$ ]$   
Donnan emf (Donnan potential)  $ E_D$
Membrane emf (Membrane potential)  $ E_m$
Suspension effect (Pallmann effect, Wiegner effect)  $ E_s$

next up previous contents
Next: ELECTROKINETICS Up: LIST OF SYMBOLS AND Previous: SEDIMENTATION, CREAMING, CENTRIFUGATION AND   Contents
2002-09-05