Abstract
Surfactants are amphipathic molecules which accumulate in interphase, giving them theability to reduce the interfacial and surface tension of the medium. The nonpolar portionis often a hydrocarbon chain and the polar portion may be ionic (cationic or anionic),nonionic or amphoteric. Surfactants are among the most versatile molecules of theindustry, being used in the preparation of pharmac…