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Wednesday, July 29, 2020 | History

2 edition of electrical double layer around a spherical colloid particle found in the catalog.

electrical double layer around a spherical colloid particle

Arthur L. Loeb

electrical double layer around a spherical colloid particle

computation of the potential, charge density, and free energy of the electrical double layer around a spherical colloid particle

by Arthur L. Loeb

  • 113 Want to read
  • 37 Currently reading

Published by Massachussetts Institute of Technology in Cambridge .
Written in English

    Subjects:
  • Colloids -- Electric properties.,
  • Electrolytes -- Tables.,
  • Electrophoresis.

  • Edition Notes

    Includes bibliography.

    Statement[by] A.L. Loeb, J. Th. G. Overbeek [and] P.H. Wiersema.
    Classifications
    LC ClassificationsQD549 .L55
    The Physical Object
    Pagination375 p.
    Number of Pages375
    ID Numbers
    Open LibraryOL5813179M
    LC Control Number60053469

    We study the consistent inclusion of ionic size-asymmetry for a wide range of macroparticle charges in the primitive model of an electrical double layer around a spherical colloid using (1) Monte-Carlo simulations, (2) the hybrid integral-equation formalism of hypernetted-chain (HNC) and mean-spherical approximation (MSA), and (3) the Gouy–Chapman theory modified for unequal ionic radii. Electrical double layer, region of molecular dimension at the boundary of two substances across which an electrical field exists. The substances must each contain electrically charged particles, such as electrons, ions, or molecules with a separation of electrical charges (polar molecules). In the.

    Calculation of the Electrophoretic Mobility of a Spherical Colloid Particle P. H. WIERSEMA, A. L. LOEB, AXD J. TH. G. OVERBEEK The mobile part of the electric double layer is described by the classical Gouy- Chapman theory. ELECTROPHORETIC MOBILITY OF A SPHERICAL COLLOID PARTICLE 81 but ion concentrations in the distorted at-. Zeta potential is a property of an electric structure that is usually built up at interfaces, in a region referred to as the “double layer” (DL). Simply explained, the double layer is a structure that forms on the surface of an object in a liquid. It consists of two layers: a surface charge layer of .

    Nov 01,  · The widely used sphere-flat plate approximation will considerably overestimate the actual EDL interaction between a spherical particle and a cylinder. The ratio of the radius of the particle to the EDL thickness, tau=kappaa(p), also plays an important role in determining the EDL interaction at small dimensionless separation distances (Cited by: There is a possibility to split the total electric field around the particle into two components: a “near field” component and a “far field” component. A.L., Overbeek, certifiedneighborhoodspecialist.comG. and Wiersema, P.H. “The Electrical Double Layer around a Spherical Colloid Particle”, MIT Press () O’Brien, R.W., “The solution of.


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Electrical double layer around a spherical colloid particle by Arthur L. Loeb Download PDF EPUB FB2

Dec 01,  · The existence of an electrical double layer around a dispersed colloidal particle has a profound effect on a wide variety of both equilibrium and nonequilibrium phenomena in colloid science.

This is why models of the double layer are a subject of great certifiedneighborhoodspecialist.com by: A double layer (DL, also called an electrical double layer, EDL) is a structure that appears on the surface of an object when it is exposed to a fluid.

The object might be a solid particle, a gas bubble, a liquid droplet, or a porous body. The DL refers to two parallel layers of charge surrounding the object. An electric double layer is a phenomenon that plays a fundamental role in the mechanism of the electrostatic stabilization of colloids.

Colloidal particles gain negative electric charge when negatively charged ions of the dispersion medium are adsorbed on the particle surface. Get this from a library. The electrical double layer around a spherical colloid particle; computation of the potential, charge density, and free energy of the electrical double layer around a.

The Electrical Double Layer Around a Spherical Colloidal Particle Computation of the Potential, Charge Density, and Free Energy of the Electrical Double Layer Around a Spherical Colloid Particle By A.

Loeb, J. Overbeek and P. Wiersema. The Electrical Double Layer Around a Spherical Colloid Particle. Computation of the Potential, Charge Density, and Free Energy of the Electrical Double Layer Around a Spherical Colloid Particle.

Electrical Double Layer around a Spherical Colloidal Particle. by A. Loeb (Author), J. Overbeek (Author), Wiersema (Author) & ISBN ISBN Why is ISBN important. ISBN. This bar-code number lets you verify that you're getting exactly the right version or edition of a book.

First published: 15 Mar, This voltage drop, called the zeta potential, varies depending on the properties of the colloid. For example, adding salt to a colloid shrinks the electrical double layer, and reduces the zeta potential.

Zeta potential and particle size are key indicators of the way colloids behave both in storage and in use. Double layer forces occur between charged objects across liquids, typically water. This force acts over distances that are comparable to the Debye length, which is on the order of one to a few tenths of certifiedneighborhoodspecialist.com strength of these forces increases with the magnitude of the surface charge density (or the electrical surface potential).

For two similarly charged objects, this force is. Purchase Theory of Colloid and Interfacial Electric Phenomena, Volume 12 - 1st Edition. Print Book & E-Book. ISBNElectrical double layer around a charged colloidal particle in an electrolyte solution Poisson-Boltzmann equation and electrokinetics for a spherical colloidal particle in a salt-free medium.

The Electrical Double Layer Around a Spherical Colloidal Particle Computation of the Potential, Charge Density, and Free Energy of the Electrical Double Layer Around a Spherical Colloid Particle A.

Loeb, J. Overbeek, and P. Wiersema The electrical double layer, certifiedneighborhoodspecialist.com of Physical Chemistry and Chemical Physics, Topic 14, The electrical double layer around a spherical colloid particle, M.I.T.

Press, Cambridge certifiedneighborhoodspecialist.com, Google Scholar. Lyklema J. () Surface Chemistry of Colloids in Connection with Stability. In: Ives K.J. (eds) The Scientific Basis of Cited by: A functional theoretical approach to the electrical double layer of a spherical colloid particle Article in Chemical Physics (1) · December with 10 Reads How we measure 'reads'.

By using the iterative method in functional analysis, the potential of the electrical double layer of a spherical colloid particle, which is represented by the so-called Poisson-Boltzmann (PB.

A study of the equilibrium double layer surrounding charged spherical particles is presented, considering that ions in the suspending medium have a finite size. It is assumed that each ionic species has a different minimum approach distance to the particle surface, while the distance of minimum approach between ions in the bulk has the same value for all ion certifiedneighborhoodspecialist.com by: Jun 15,  · Book Review Book Review Hubbard, Arthur This illuminating and authoritative new book analyzes the electrical double layer, electrokinetics, colloidal particles, electrolyte ions, and electrolyte solutions.

Part I of the book elucidates the electrical double layer. Chapter 1 describes the electrical double layer around a charged colloidal particle in an electrolyte solution.

Dec 13,  · On the invariance of the charge of electrical double layers under dilution of the equilibrium electrolyte solution. Authors; Loeb, A. L., P. Wiersma and J. Overbeek, The Electrical Double Layer around a Spherical Colloid Particle, (M.

T On the invariance of the charge of electrical double layers under dilution of the Cited by: The electrical double layer around a spherical colloid particle; computation of the potential, charge density, and free energy of the electrical double layer around a spherical colloid particle [].

Sep 05,  · Electrical Double Layer Theory • When electrode immersed in an electrolytic solution, charge accumulation will occur.

• Particle size should be greater than 1 nm. • Charge separation always occur at the interface of the electrodes in the solution. Often, colloidal particles are suspended in water. In this case, they accumulate a surface charge and an electrical double layer forms around each particle.

The overlap between the diffuse layers of two approaching particles results in a repulsive double layer interaction potential, which leads to particle stabilization. When salt is added to the suspension, the electrical double layer. Electric Double Layer is the phenomenon playing a fundamental role in the mechanism of the electrostatic stabilization of colloids.

Colloidal particles gain negative electric charge when negatively charged ions of the dispersion medium are adsorbed on the particles surface.

A negatively charged particle attracts the positive counterions surrounding the particle.INTERFACES, COLLOIDS AND GELS * Course Outline * 1. Nature and Relevance of Colloids * 2.

and a slab * Attraction between two colloidal particles * Diffuse Electrical Double Layers * Gouy-Chapman Electrical Double Layer Model * Double Layer Overlap * forming a protective sheath around the colloidal particle of.4–9 The Electrical Double Layer Around a Spherical Colloid Particle—Loeb, Wiersema & Overbeek—MIT Press— 4–10 Double Layer and Electrode Kinetics—Paul Delahay—Interscience (Wiley)— 4–11 On the Theory of Electrophoresis—Ph.D.

Thesis—Pieter H. Wiersema—Drukkerij Pasmans, v.d. Vemmestraat 76, Den Haag—