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ISO 13099-2:2025

Colloidal systems — Methods for zeta-potential determination — Part 2: Optical methods ISO 13099-2:2025

Publication date:   Aug 6, 2025

General information

60.60   Standard published   Aug 6, 2025

ISO

ISO/TC 24/SC 4 Particle characterization

International Standard

19.120   Particle size analysis. Sieving

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 13099-2:2012

NOW

PUBLISHED
ISO 13099-2:2025
60.60 Standard published
Aug 6, 2025




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