Types of Colloids

Dispersing medium Dispersed phase Name
Solid Solid Solid sol
Solid Liquid Gel
Solid Gas Solid foam
Liquid Solid Sol
Liquid Liquid Emulsion
Liquid Gas Foam
Gas Solid Solid aerosol
Gas Liquid Aerosol
  • Dispersing medium (external phase) – the constituent found in the greater extent in the colloid.
  • Dispersed phase (internal phase) – the constituent found in the lesser extent.
  • A further classification is as lyophilic (solvent attracting), lyophobic (solvent repelling) or association colloids (a mixture of the two).
  • If water is the dispersing medium, it is often known as a hydrosol.

source: http://www.chm.bris.ac.uk/webprojects2002/pdavies/types.html

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