## net electric charge, $$z$$

of a particle, in electrophoresis
https://doi.org/10.1351/goldbook.N04111
The algebraic sum of the charges present at the surface of the particle divided by the @[email protected] of the @[email protected] The symbol $$z$$ is also used for @[email protected] of an ion.
Source:
PAC, 1994, 66, 891. (Quantities and units for electrophoresis in the clinical laboratory (IUPAC Recommendations 1994)) on page 895 [Terms] [Paper]