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 elementary charge of the proton. The symbol z is also used for charge number 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]
Citation: 'net electric charge' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.N04111 RIS BibTex EndNote
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Last revised: February 24, 2014