Colloid

In general, a colloid or colloidal dispersion is a two-phase system of matter; a type of mixture intermediate between homogeneous mixtures and heterogeneous mixtures.

Classification of colloids

Colloids can be classified as follows:

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Dispersed phase

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Gas

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Liquid

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Solid

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Dispersing phase

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Gas

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None: all gases are soluble

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Liquid aerosol,

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Examples: fog, mist

Related Topics:
Fog - Mist

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Solid aerosol,

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Examples: Smoke, dust

Related Topics:
Smoke - Dust

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Liquid

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Foam,

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Examples: Whipped cream

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Emulsion,

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Examples: Milk, mayonnaise, hand cream, blood

Related Topics:
Milk - Mayonnaise - Blood

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Sol,

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Examples: Paint, pigmented ink

Related Topics:
Paint - Pigmented ink

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Solid

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Solid foam,

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Examples: Styrofoam, Pumice

Related Topics:
Styrofoam - Pumice

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Gel,

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Examples: Gelatin, jelly, cheese, Opal

Related Topics:
Gelatin - Opal

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Solid sol,

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Examples: Cranberry glass, Ruby glass

Related Topics:
Cranberry glass - Ruby glass

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