Difference between revisions of "Colloidal Dispersion"

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== Definition ==
 
== Definition ==
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'''Colloidal dispersions''' are a class of soft materials. The term typically refers to a material consisting of solid particles spread throughout a fluid. According to Jones (p. 49), colloidal particles must have dimensions on the order of 10<math>\mu</math>m or smaller.
  
A '''colloidal dispersion''' is a soft material consisting of solid particles spread throughout a fluid. According to Jones (p. 49), colloidal particles must have dimensions on the order of 10<math>\mu</math>m or smaller.
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Witten (p. 113) distinguishes between colloids (solid particles in liquid), emulsions (liquid drops in another liquid), and foams (gas bubbles in a liquid), while Jones (p. 1) includes emulsions as a subgroup of colloids.
 
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Witten (p. 113) distinguishes between colloids (solid particles in liquid), emulsions (liquid drops in another liquid), and foams (bubbles of gas in a liquid), Jones (p. 1) includes emulsions in his definition of colloids.
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== Examples ==
 
== Examples ==

Revision as of 23:14, 12 September 2009

Definition

Colloidal dispersions are a class of soft materials. The term typically refers to a material consisting of solid particles spread throughout a fluid. According to Jones (p. 49), colloidal particles must have dimensions on the order of 10<math>\mu</math>m or smaller.

Witten (p. 113) distinguishes between colloids (solid particles in liquid), emulsions (liquid drops in another liquid), and foams (gas bubbles in a liquid), while Jones (p. 1) includes emulsions as a subgroup of colloids.

Examples

References

R. Jones, "Soft Condensed Matter," Oxford University Press Inc., New York (2002).

T. Witten, "Structured Fluids: Polymers, Colloids, Surfactants," Oxford University Press Inc., New York (2004).