net electric charge, \(z\)

of a particle, in electrophoresis
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.
PAC, 1994, 66, 891. (Quantities and units for electrophoresis in the clinical laboratory (IUPAC Recommendations 1994)) on page 895 [Terms] [Paper]