ISO 13099-2:2012
Colloidal systems — Methods for zeta-potential determination — Part 2: Optical methods
This part of ISO 13099 specifies two methods of measurement of electrophoretic mobility of particles suspended in a liquid: video microscopy and electrophoretic light-scattering. 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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CVP_Secretariat_Loca
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols
4 Principles
5 Microscopic methods
6 Electrophoretic light-scattering (ELS) method
6.1 General
6.2 Cell design
6.3 Reference beam optical arrangement
6.4 Cross-beam optical arrangement
6.5 Signal processing
6.6 Determination of electrophoretic mobility
7 Calculation of zeta-potential
8 Operational procedures
8.1 Requirements
8.2 Verification
8.3 Sources of measurement error
8.4 Test report
Annex A (informative) Electroosmosis within capillary cells
Bibliography
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CVP_Secretariat_Loca
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols
4 Principles
5 Microscopic methods
6 Electrophoretic light-scattering (ELS) method
6.1 General
6.2 Cell design
6.3 Reference beam optical arrangement
6.4 Cross-beam optical arrangement
6.5 Signal processing
6.6 Determination of electrophoretic mobility
7 Calculation of zeta-potential
8 Operational procedures
8.1 Requirements
8.2 Verification
8.3 Sources of measurement error
8.4 Test report
Annex A (informative) Electroosmosis within capillary cells
Bibliography