isoionic point 

in electrophoresis
https://doi.org/10.1351/goldbook.I03283
The pH value at which the net electric charge of an elementary entity in pure water equals zero.
Source:
PAC, 1994, 66, 891. (Quantities and units for electrophoresis in the clinical laboratory (IUPAC Recommendations 1994)) on page 895 [Terms] [Paper]
Citation: 'isoionic point' 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.I03283 RIS BibTex EndNote
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Last revised: February 24, 2014