SOLS
Posted by Midnyt Blaze on 13:06 with No comments
Sols are colloidal systems in which a solid is dispersed in a liquid.
These can be subdivided into two classes :
(a) Lyophilic sols (solvent-loving)
(b) Lyophobic sols (solvent-hating)
Lyophilic sols are those in which the dispersed phase exhibits a definite affinity for the medium
or the solvent.
The examples of lyophilic sols are dispersions of starch, gum, and protein in water.
Lyophobic sols are those in which the dispersed phase has no attraction for the medium or the
solvent.
The examples of lyophobic sols are dispersion of gold, iron (III) hydroxide and sulphur in water
These can be subdivided into two classes :
(a) Lyophilic sols (solvent-loving)
(b) Lyophobic sols (solvent-hating)
Lyophilic sols are those in which the dispersed phase exhibits a definite affinity for the medium
or the solvent.
The examples of lyophilic sols are dispersions of starch, gum, and protein in water.
Lyophobic sols are those in which the dispersed phase has no attraction for the medium or the
solvent.
The examples of lyophobic sols are dispersion of gold, iron (III) hydroxide and sulphur in water
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