The method for preparation of colloids which involves dispersion as well as condensation
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Dispersion Techniques. Electrical Disintegration: It is the combination of dispersion and condensation. This technique is most commonly used for the preparation of colloidal solutions of metals such as gold, silver, platinum, etc. ... Such precipitates are aggregates of colloidal particles held by weak forces.
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Bredig's arc method is a method of preparation of colloidal solution, of metals such as gold, silver or platinum. This method consists of both dispersion and condensation. ... The water is kept cold as an ice bath.The Colloidal particle prepared is stabilised by adding a small amount of KOH to it.
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