Week 5: Precipitation in gels. Liesegang rings. Emulsifiers, Breaking of emulsions
Course Material
- Week 1: Surface tension, adsorption isotherms, Freundlich, Langmuir and BET isotherms
- Week 2: Adsorption at liquid surface
- Week 3: Surfactants, micellization
- week 4: Methods of preparation of gels and emulsions, Classification structure of gels, Thixotropy
- Week 5: Precipitation in gels. Liesegang rings. Emulsifiers, Breaking of emulsions
- week 6: Orientation theory. Emulsification and wetting, Significance
- Week 7: Determination of particle size.
- Week 8: Mid Term Exam
- Week 9: Sols and their preparation, properties of sols, optical properties of sols
- Week 10: Sedimentations of suspensions. Electrical properties of sols electrophoresis and electro osmosis
- Week 11: Stability of suspensions. Precipitation of sols
- Week 12: Molecular wt. determination of macromolecules
- Week 13: The cause of semi-permeability
- Week 14: Mechanism of osmotic pressure
- Week 15: Determination of the molecular weight by osmometry
- Week 16: Final Term Exam
- Chapters 16
- Department Chemistry(SCB)
- Teacher
Dr. Irfan Ullah
