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ISO 13099-2:2025

Colloidal systems - Methods for zeta-potential determination - Part 2: Optical methods

This document specifies two methods of measurement of the electrophoretic mobility of particles suspended in a liquid: video microscopy and electrophoretic light-scattering.

 

NOTE            Estimation of surface charge and determination of zeta-potential can be achieved from measured electrophoretic mobility using proper theoretical models, which are described in detail in ISO 13099-1.

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