Name: Multimolecular and Macromolecular Colloids
Uploaded: 2019-07-19
Duration: 5 min 25 s
Description: Based on the size of particles, colloids can be categorised as multimolecular and macromolecular colloids. Let us learn about their formation with some examp...

Question

Describe the Purification of the colloidal solutions by Dialysis method with a neat diagram.

Accepted Answer

In $1861$ , T. Graham separated the electrolyte from a colloid using a semipermeable membrane(dialyser). In this method, the colloidal solution is taken in a bag made up of a semipermeable membrane. It is suspended in a trough of flowing water, the electrolytes diffuse out of the membrane, and they are carried away by water.

In human beings(vertebrates), kidney malfunction results in the building up of electrolyte concentration within the blood to toxic levels. In the Dialysis, recycling of the patient’s blood is done through a considerable length of semipermeable tube in an isotonic saline solution.

Describe the Purification of the colloidal solutions by Dialysis method with a neat diagram.

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