. What is LYOPHILIC COLLOIDS


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In the case of lyophilic colloids, the disperse phase has great affinity for dispersion medium. In such cases the disperse phase does not easily get precipitated and the colloids are quite stable. The solids obtained after evaporation of the medium can be easily brought back to the colloidal state by shaking the solids with the dispersion medium. Such colloids are thus reversible. Examples of lyophilic colloids are gum, gelatin, starch, proteins and certain polymers in organic solvents. If water is used as the dispersion medium, the colloid is called hydrophilic colloid.

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