potential at the point of zero charge (p.z.c.)

https://doi.org/10.1351/goldbook.P04775
The value of the @[email protected] of an electrode at which one of the charges defined is zero. The @[email protected] against which this is measured should always be clearly stated. The potential difference with respect to the potential of zero charge is defined by \[E_{\text{pzc}}=E- E_{\sigma =0}\] where the potential at the point of zero charge is that for the given electrode in the absence of @[email protected] (other than that of the solvent).
Source:
PAC, 1974, 37, 499. (Electrochemical nomenclature) on page 509 [Terms] [Paper]