Richard M. Pashley, Marilyn E. Karaman

Applied Colloid and Surface Chemistry

• Gebundenes Buch

Produktbeschreibung

Applied Colloid and Surface Chemistry is a broad introduction to this interdisciplinary field. Taking a genuinely applied approach, with applications drawn from a wide range of industries, this book will meet the demands of the student and professional currently working in the field. The text includes keynote sections written by practicing industrial research scientists, bringing to the reader a wealth of real industrial examples. These examples range from water treatment through to soil management as well as examples taken from the coatings and photographic industries. To aid accessibility, some of the more demanding mathematical derivations are separated from the main text, enabling them to be avoided as required. With carefully structured chapters, starting with learning objectives, and containing tutorial questions with answers and explanatory notes, this text is invaluable for undergraduates taking a first course on colloid and surface chemistry. This book will also be suitable to postgraduates and professionals, who need an up-to-date account of the subject.

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Produktdetails

• Verlag: Wiley & Sons
• Seitenzahl: 200
• Erscheinungstermin: Dezember 2004
• Englisch
• Abmessung: 250mm x 175mm x 15mm
• Gewicht: 566g
• ISBN-13: 9780470868829
• ISBN-10: 0470868821
• Artikelnr.: 13171834

Autorenporträt

Professor Richard M. Pashley and Dr Marilyn E. Karaman, Australian National University, Canberra.

Inhaltsangabe

Preface. 1. Introduction. Introduction to the nature of colloidal
solutions. The forces involved in colloidal stability. Types of colloidal
systems. The link between colloids and surfaces. Wetting properties and
their industrial importance. Recommended resource books. Appendices. 2.
Surface Tension and Wetting. The equivalence of the force and energy
description of surface tension and surface energy. Derivation of the
Laplace pressure equation. Methods for determining the surface tension of
liquids. Capillary rise and the free energy analysis. The Kelvin equation.
The surface energy and cohesion of solids. The contact angle. Industrial
Report: Photographic-quality printing. Sample problems. Experiment 2.1: Rod
in free surface (RIFS) method for the measurement of the surface tension of
liquids. Experiment 2.2: Contact angle measurements. 3. Thermodynamics of
Adsorption. Basic surface thermodynamics. Derivation of the Gibbs
adsorption isotherm. Determination of surfactant adsorption densities.
Industrial Report: Soil microstructure, permeability and interparticle
forces. Sample problems. Experiment 3.1: Adsorption of acetic acid on to
activated charcoal. 4. Surfactants and Self-assembly. Introduction to
surfactants. Common properties of surfactant solutions. Thermodynamics of
surfactant self-assembly. Self-assembled surfactant structures. Surfactants
and detergency. Industrial Report: Colloid science in detergency. Sample
problems. Experiment 4.1: Determination of micelle ionization. 5. Emulsions
and Microemulsions. The conditions required to form emulsions and
microemulsions. Emulsion polymerization and the production of latex paints.
Photographic emulsions. Emulsions in food science. Industrial Report:
Colloid science in foods. Experiment 5.1: Determination of the phase
behaviour of microemulsions. Experiment 5.2: Determination of the phase
behaviour of concentrated surfactant solutions. 6. Charged Colloids. The
formation of charged colloids in water. The theory of the diffuse
electrical double-layer. The Debye length. The surface charge density. The
zeta potential. The Hückel equation. The Smoluchowski equation. Corrections
to the Smoluchowski equation. The zeta potential and flocculation. The
interaction between double-layers. The Derjaguin approximation. Industrial
Report: The use of emulsions in coatings. Sample problems. Experiment 6.1:
Zeta potential measurements at the silica/water interface. 7. Van der Waals
forces and Colloid Stability. Historical development of van der Waals
forces and the Lennard-Jones potential. Dispersion forces. Retarded forces.
Van der Waals forces between macroscopic bodies. Theory of the Hamaker
constant. Use of Hamaker constants. The DLVO theory of colloid stability.
Flocculation. Some notes on van der Waals forces. Industrial Report:
Surface chemistry in water treatment. Sample problems. 8. Bubble
Coalescence, Foams and Thin Surfactant Films. Thin-liquid-film stability
and the effects of surfactants. Thin-film elasticity. Repulsive forces in
thin liquid films. Froth flotation. The Langmuir trough. Langmuir-Blodgett
films. Experiment 8.1: Flotation of powdered silica. Appendices. 1. Useful
Information. 2. Mathematical Notes on the Poisson-Boltzmann Equation. 3.
Notes on Three-dimensional Differential Calculus and the Fundamental
Equations of Electrostatics. Index.