Chapter 5. Electrostatic Forces and the Electrical Double Layer

  1. Drew Myers

Published Online: 28 APR 2002

DOI: 10.1002/0471234990.ch5

Book Title

Surfaces, Interfaces, and Colloids: Principles and Applications, Second Edition

Surfaces, Interfaces, and Colloids: Principles and Applications, Second Edition

Additional Information

How to Cite

Myers, D. (2002) Electrostatic Forces and the Electrical Double Layer, in Surfaces, Interfaces, and Colloids: Principles and Applications, Second Edition, John Wiley & Sons, Inc., New York, USA. doi: 10.1002/0471234990.ch5

Publication History

  1. Published Online: 28 APR 2002

ISBN Information

Print ISBN: 9780471330608

Online ISBN: 9780471234999

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CHAPTER TOOLS

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Keywords:

  • electrokinetic phenomena;
  • sources of surface charge;
  • differential ion solubility;
  • direct ionization;
  • surface ion substitution;
  • specific ion adsorption;
  • anisotropic crystals;
  • Coulomb's law;
  • Boltzman distribution;
  • electrical double layer;
  • Debye length, Stern layer;
  • electro-osmosis;
  • electrophoresis;
  • streaming potential;
  • sedimentation potential

Summary

Chapter 5 expands on the concepts of electrostatic forces and interfacial interactions introduced in Chapter 4 and introduces the concepts of surface ionization and surface charge density. The chapter discusses some sources of surface ionization and develops the mathematical basis for the electrical double layer theory based on Coulomb's Law and the Boltzman distribution of ions near surfaces, including the Debye length, the Stern layer, and other aspects of the nature of an ionic interface. Some commonly encountered electrokinetic properties of surfaces and colloids are introduced and briefly discussed.

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