How are the colloidal solutions classified, on the basis of physical states of the dispersed phase and dispersion medium ?
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On the bases of physical state of D.P. and D.M. colloidal solution may be divided into eight system
Type of Colloidal Systems
D P | D M | Type of colloid | Examples |
Solid | Solid | Solid Sol | Some coloured glasses and gem stones |
Solid | Liquid | Sol | Paints, cell fluids |
Solid | Gas | Aerosol | Smoke, dust |
Liquid | Solid | Gel | Cheese, butter, jellies |
Liquid | Liquid | Emulsion | Milk, hair cream |
Liquid | Gas | Liquid Aerosol | Fog, mist, cloud, insecticide sprays |
Gas | Solid | Solid Sol | Pumice stone, foam rubber |
Gas | Liquid | Foam | Froath, whipped cream, soap lather. |
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