Adsorption: The mechanism of adsorption: The langmuir and B.E.T. Isotherms, chemisorption; and factors affecting the amount adsorbed; application of adsorption in pharmacy.

 Surface and interfacial phenomena: surface tension: contact angle and the wetting of solid, spreading of one liquid over another, mechanism of capillary rise and effect of temperature, methods of determining surface tension.

 Surface active agents and their classification: pharmaceutical applications and medicinal importance of surface active agents.

 Bulk Properties of Surfactant Solutions: micelle formation and methods for the determination of the critical micelle concentration (CMC); factors affecting micelles; stability of micelles.

 Solubilization: factors affecting solubilization: and pharma ceutica l application of solubilization.

 Colloidal systems: classification of colloids; properties of collloids solutions; preparation of lyophobic solutions; stability of lyophobic colloids.


Rheology: Newtonian fluids; flow characteristics of Newtonian fluids and effect of temperature; determination of viscosity principles of capillary tube; Redwood and falling sphere viscometers; rotational viscometers; the flow properties of disperse systems

and viscosity coefficients of colloidal dispersions; viscosity imparting agents in pharmacy; non-Newtonian fluids plastic, pseudoplastic and dilatant flows; thixotropic systems; rheological properties of suspensions; emulsions, ointments and creams.

 Mechanism of fluid flow: significance of Reynold's number; distribution of velocities across a tube and boundary layers.




Level of Study: 300 Level