The Pharmaceutics and Compounding Laboratory
Emulsions:
Preparation and Stabilization

Learning Objectives

Upon completion of this exercise, you should be able to:

  • Define and/or identify emulsions and emulsifying agents.
  • Identify two factors that determine emulsion type (o/w vs. w/o).
  • Describe the levels of instability to which emulsions are subject.
  • Describe 3 mechanisms by which emulsions are stabilized.
  • Classify emulsifying agents by type and describe their uses, advantages, limitations.  
  • Define and calculate HLB for any nonionic surfactant system.
  • Describe and/or demonstrate 3 methods of emulsion preparation.
  • Identify pharmaceutical uses of emulsions.