Colloids: Subject-Matter, Preparation and Tests

In this article we will discuss about:- 1. Subject-Matter of Colloids 2. Preparation of different types of Colloidal Systems 3. Tests. Subject-Matter of Colloids: The term 'Colloid' was first proposed by Thomas Graham to represent the heterogeneous mixture of suspended particles in a dispersion medium. The particles of colloidal dimension range in size from 1 to 200 mµ. Collodial particles [...]