Under the persistent dialysis parts, the electrolytes are removed completely, and the solution loses its stability and coagulates ultimately. This reduces the charge on the solution because of which the particles settle down. Whenever we boil a solution, the molecules of the dispersion medium start colliding with each other and with the surface, and resultantly this disturbs the adsorption layer. The below representation shows the coagulation technique by mixing two oppositely charged solutions. In this type of coagulation technique, an equal amount of oppositely charged particles are mixed, and they precipitate by canceling out their charges. By Mixing Two Oppositely Charged Solutions The colloidal particles are compelled to move towards the oppositely charged particles in this method, and later they are discharged and collected at the bottom.Ģ. Since the process of coagulation can be carried out in a few ways, such coagulation techniques are defined below in a brief manner. The accumulation and settling down of the particle process is further referred to as precipitation or coagulation. By any chance, if we can remove the charge present on the solution, the particles get closer to each other and accumulate to produce precipitate and aggregates under the gravity action. The charge present on the colloidal solutions indicates their stability. This kind of colloidal solution carries some charge on them always. Solutions of this type are known as lyophobic solutions. Some special methods are used to develop their colloidal solutions. cannot simply be mixed with the dispersion medium to produce a colloidal solution. Where, a colloid is a heterogeneous mixture of one single substance of very fine particles (a dispersed phase) dispersed into another substance (a dispersion medium).įew substances such as metals, and their sulfides, etc. In general, we can define coagulation in chemistry as it is one of the various properties exhibited by the colloidal solutions.
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