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Standard
ISO 13100
First edition
Methods for zeta potential
2024-03
determination — Streaming
potential and streaming current
methods for porous materials
Méthodes pour la détermination du potentiel zêta — Méthodes
de potentiel d’écoulement/courant d’écoulement pour les
matériaux poreux
Reference number
ISO 13100:2024(en) © ISO 2024
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ISO 13100:2024(en)
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO 13100:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 Terms related to the electric double layer and the zeta potential .1
3.2 Terms related to electrokinetic and electroacoustic phenomena .2
3.3 Terms related to porous materials .4
4 Symbols . 5
5 Streaming current and streaming potential . 6
5.1 General overview .6
5.2 Streaming potential in DC mode .6
5.2.1 General .6
5.2.2 Measurement of the streaming potential coupling coefficient .7
5.2.3 Calculation of the zeta potential.8
5.3 Streaming current in AC mode .9
6 Measurement of DC streaming potential for porous materials .11
6.1 Operational procedures .11
6.2 Instrument location . 13
6.3 Sample holde
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