Origin of Charge, Preparation and Purification of Colloidal Soils

Lesson 4 of 5 • 3 upvotes • 12:57mins

Shruti Oberoi

The lesson talk about the various techniques of origin of charge on the colloidal particles. This lesson will talk about the various methods of preparation of lyophobic sols in particular because lyophillic sols can be prepared by simply mixing the dispersed phase in the dispersion medium. There are various methods of preparation of these sols. The lesson also talks about the various methods of the purification of the colloidal sols. The colloidal sols can be purified by various methods like dialysis, ultrafiltration, ultra centrifugation . To end with the video has a few solved examples on the various concepts of colloidal state of matter.