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Zeta Potential

Fundamentals, Methods, and Applications

  • 1st Edition, Volume 39 - May 23, 2025
  • Latest edition
  • Authors: Andrei S. Dukhin, Renliang Xu
  • Language: English

Zeta Potential: Fundamentals, Methods, and Applications provides an up-to-date exploration of the principles and practice of zeta potential measurements. Tailored for an interd… Read more

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Description

Zeta Potential: Fundamentals, Methods, and Applications provides an up-to-date exploration of the principles and practice of zeta potential measurements. Tailored for an interdisciplinary audience, the book is invaluable for researchers, engineers, and students in fields like materials science, chemistry, and nanotechnology. It delves into the role of zeta potential in complex heterogeneous liquids such as dispersions and emulsions, and its significance in biomedical and industrial applications. By offering comprehensive yet accessible coverage, this book aims to bridge the educational gap and enhance understanding of this essential electric double layer characteristic.

In addition to covering fundamental principles, the book emphasizes modern measurement methods, including electrophoresis, electroacoustics, and streaming current. It highlights the switch towards using zeta potential in formulation and quality control, providing a thorough review of published research. This allows readers to find data relevant to their projects. The book is a crucial resource for those who wish to navigate the complexities of zeta potential applications, ensuring precise and reliable results in their work.

Key features

  • Explains the fundamentals of the zeta potential concept and provides formulae based on well verified and widely accepted theoretical models for interfacial double layer and electrokinetic phenomena
  • Introduces common technologies for characterizing zeta potential, including the most widely used contemporary measuring methods and interpretation procedures for converting raw measured data into zeta potential
  • Provides useful examples of applications for a wide variety of R&D and industrial fields

Readership

Researchers, engineers and students who are involved in studying or using in industry complex heterogeneous liquids, like dispersions and emulsions, as well as wetted porous materials. This includes but is not limited to materials/colloids and interface chemists, chemical engineers, material scientists, biophysicists, and biochemists

Table of contents

Section I – Fundamentals

Chapter 1 – Introduction to Electrokinetics

1.1 Electric Double Layer

1.2 Electrokinetic phenomena

Chapter 2 – Electric Double Layer models

2.1 Gouy-Chapman-Stern (GCS) model

2.2 Further developments resolving GCS model problems

2.2.1 Bikerman-Freise model and developments of EDL capacitance theory

2.2.2 Electrokinetics at high ionic strength and model of structured water layer

2.3 Overlapped EDLs in particulates and porous materials

2.4 EDL of soft particles, polyelectrolyte layers

2.5 Bio-specific non-equilibrium mechanism of EDL formation

2.6 EDL of mosaic charged interface

2.7 EDL and ionization in non-aqueous solutions

2.8 EDL induced by external electric field

2.9 EDL of bubbles in liquid

Chapter 3 – Electrophoresis
Introduction

3.1 Smoluchowski theory and principle of electrokinetic symmetry

3.2 O’Brien and White numerical theory

3.3 Ohshima, Healy and White analytical theory

3.4 Dukhin and Semenikhin analytical theory

3.4.1 Complex characterization of interfaces

3.5 Ohshima analytical theory for soft particles

3.6 Henry theory for conducting particles

3.7 Anderson, Velegol and co-workers, nonuniformly charged particles

3.8 Ohshima approximation for Henry function

3.9 Dukhin and Derjaguin, porous with unipolar conductivity, zeolites

3.10 Hückel theory for thick EDL

3.11 Electrophoretic theories for overlapped EDLs

Chapter 4 – Electroacoustics

4.1 Introduction

4.2 The low frequency electroacoustic limit - Smoluchowski limit, (SDEL)

4.3 The O’Brien theory of ESA

4.4 Qualitative analysis of CVI

4.5 The CVI theory in concentrated systems with thin EDL

4.6 The CVI theory in concentrated systems with thick and overlapped EDLs

Chapter 5 – Streaming potential/current

5.1 Introduction

5.2 Streaming potential in DC mode

5.3 Streaming current in DC mode

5.4 Streaming current in AC mode

Chapter 6 – Other electrokinetic phenomena
Introduction

6.1 Electroosmosis

6.2 Diffusiophoresis

6.3 Electrodiffusiophoresis

6.4 Dielectrophoresis and Electrorotation

6.5 Electroviscous effects

Section II – Methods

Chapter 7 – Introduction to measurement methods
Introduction

7.1 Sample Preparation

7.1.1 Sampling and Sample Reduction

7.1.2 Minimum Sample Amount

7.1.3 Sample Dispersing

7.1.4 Sample Equilibrium Dilution

7.2 Quality of Measurement

7.3 Carbon Dioxide and Other Factors Affecting Measurement Result

7.4 Reference Materials for Zeta Potential Determination

7.4.1 NIST Electrophoretic Mobility Standard Reference Material

7.4.2 EC-JRC/NIST Zeta Potential Standard Reference Material

7.4.3 Reference Materials for Concentrated Samples

Chapter 8 – Electrophoretic mobility measurements
Introduction

8.1 Microelectrophoresis

8.1.1 Classical Microelectrophoresis Method

8.1.2 Microcapillary Electrophoresis (μCE) Method

8.1.3 Particle Tracking Analysis (PTA) Method

8.2 Coulter Principle

8.2.1 Tunable Resistive Pulse Sensing (TRPS) Method

8.2.2 Nano Coulter Counter Method

8.3 Electrophoretic Light Scattering

8.3.1 ELS Instrumentation

8.3.2 Data Analysis

8.3.3 Measurement Range and Data Quality

8.4 Data Presentation and Statistics

8.4.1 Introduction

8.4.2 Basic Statistical Parameters

8.4.3 Mean Values

Chapter 9 – Electroacoustic measurements

9.1 Design and functioning of Zeta Potential Probe

9.2 Energy loss approach and troubleshooting ZP Probe

9.3 Sample handling

9.4 Verification of electroacoustic method with equilibrium dilution

9.5 Precision of electroacoustic measurement

9.6 Accuracy of electroacoustic measurement

Chapter 10 – Streaming potential/current measurements

10.1 Introduction

10.2 Streaming potential in DC mode versus pressure gradient

10.3 Streaming current in DC mode versus height of the rectangular slit

10.4 Streaming current in AC mode for deposits and the method verification

10.5 Streaming potential at rotating disc

Chapter 11 – Methods based on conductivity measurement

11.1 Surface charge by potentiometric and conductometric titrations

11.2 Porosity measurement with high frequency conductivity probe

11.3 Debye length characterization by conductivity measurement

11.4 Dukhin number characterization by conductivity measurement

Chapter 12 – Electroosmosis measurements

12.1 Introduction

12.2 ELS-EOS using a closed capillary cell

12.3 ELS-EOS using a dip cell

12.4 Current–time measurement

12.5 Current-volume measurement

Section III – Applications

Chapter 13 – Introduction to applications

12.1 Aggregative stability

12.2 Titrations, general description

12.3 Quality control applications

12.4 Other applications

Chapter 14 – Titrations
Introduction

14.1 pH titration and isoelectric point

14.2 Surfactant titration and optimization surfactant dose

14.3 Salt titrations

14.4 Titration with nanoparticles

14.5 Polymer adsorption on particles

14.6 Kinetic studies and required equilibration time

14.7 Importance of mixing and agitation during titration

Chapter 15 – Zeta potential applications in electronic industry

15.1 Introduction

15.2 Zeta potential affects material removal rate

15.3 Monitoring effect of additives and impurities

15.4 Ceria CMP slurry

15.5 Accuracy and precision of zeta potential measurement in CMP slurries

15.6 CMP slurry interaction with wafers

Chapter 16 – Zeta potential of cement slurry
Introduction

16.1 Study of superplasticizer adsorption by zeta potential measurement

16.2 Study of superplasticizer adsorption in presence of polymeric particles

16.3 Effect of ionic composition and weight fraction on cement zeta potential

16.4 Method description of characterizing cement slurry using CVI Zeta Probe

Chapter 17 – Zeta potential of membranes

17.1 Introduction

17.2 Zeta potential of membranes by streaming potential

17.3 Zeta potential of membranes by electroacoustics

Chapter 18 – Biological and biomedical applications
Introduction

18.1 Zeta potential of proteins and protein nanoparticles

18.2 Zeta potential of casein micelles

18.3 Zeta potential in liposome studies

18.4 Protein and its adsorption on surface

18.5 Studies of cell electrophoresis

Chapter 19 – Other applications of zeta potential measurement
Introduction

19.1 Zeta potential of inks by electrophoresis and electroacoustics

19.2 Zeta potential characterization of particles in structured dispersions, gels

19.3 Zeta potential in mineral studies

19.4 Wettability study with zeta potential measurement

19.5 Zeta potential in paper industry and cellulosic dispersions

19.6 Electroacoustic method of sedimentation characterization

19.7 Zeta potential of battery slurries

Appendix 1 – Brief history of Electrokinetics
Appendix 2 – Physical constants in Electrokinetics
Appendix 3 – Table of Symbols
Appendix 4 – Terms in Electrokinetics

Product details

  • Edition: 1
  • Latest edition
  • Volume: 39
  • Published: June 25, 2025
  • Language: English

About the authors

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Andrei S. Dukhin

Andrei S. Dukhin is CEO and Co-Founder of Dispersion Technology, Inc., USA. He has been a leader in the development of a new technology for characterizing complex liquids that employs ultrasound for characterizing interfacial chemistry, particle size, and rheological properties of said systems. He has authored three books published by Elsevier, most recently Characterization of Liquids, Nano- and Microparticulates, and Porous Bodies using Ultrasound with Philip J. Goetz back in 2010. He holds 7 USA patents on electroacoustic methods of measuring zeta potential and has published more than 120 scientific papers. He established Dispersion Technology Inc, which installs more than 850 instruments for measuring zeta potential in 30 countries.
Affiliations and expertise
CEO, Dispersion Technology Inc., NY, USA

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Renliang Xu

Dr. Renliang Xu worked for three major particle characterization instrumentation companies in USA and UK, i.e., Malvern Instruments, Beckman-Coulter, and Micromeritics Instrument Corporation, in leading roles associated with zeta potential instrumentation. He has authored 3 professional books: one by Springer and two by Chemical Industry Press in Chinese, as well as five non-fiction books. He holds 3 USA patents on particle characterization and has published 70+ scientific papers.
Affiliations and expertise
Retired, Formerly Micromeritics Instrument Corporation, USA

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