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Nov 9, 2014 · This document provides an overview of pharmaceutical emulsions. It defines emulsions as dispersions of one liquid in another immiscible liquid, stabilized by an emulsifying agent. The key topics covered include the classification of emulsions as oil-in-water or water-in-oil, theories of emulsification, common emulsifying agents like surfactants ...
May 10, 2015 · The document provides an overview of emulsions, including: - Definitions of emulsions and the internal/external phases - Types of emulsions such as oil-in-water and water-in-oil - Advantages and disadvantages of emulsions - Tests to identify emulsion types - Emulsifying agents and theories of emulsification - Methods for preparing emulsions ...
Jul 7, 2021 · 1) An emulsion is an unstable mixture of two immiscible liquids, where one liquid is dispersed as globules in the other liquid. Emulsions can be O/W (oil in water) or W/O (water in oil) types.
EMULSION An emulsion is liquid preparation containing two immiscible liquids, one of which is dispersed as globules (dispersed phase = internal phase) in the other liquid (continuous phase = external phase) that is stabilized by an emulsifying agent.
Jul 20, 2014 · EMULSION. DEFINITION. Combine two immiscible liquid phases one of which is dispersed as globules (the dispersed phase) in the other liquid phase (the continuous phase) stabilized by presence of emulsifying agent. Pharmaceutical applications of emulsions. 1.65k views • 46 slides
Aug 26, 2011 · EMULSIONS • Definition • Classification • Applications • Theory of emulsification • Additives for formulation of emulsion • Formulation of emulsions • Emulsification techniques • Stability of emulsions • Evaluation of emulsions
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An emulsion is a thermodynamically unstable system consisting of at least two immiscible liquid phases one of which is dispersed as globules in the other liquid phase stabilized by a third substance called emulsifying agent.
An emulsion is liquid preparation containing two immiscible liquids, one of which is dispersed as globules (dispersed phase = internal phase) in the other liquid (continuous phase = external phase) that is stabilized by an emulsifying agent. Examples of Pharmaceutical Emulsions: 1) Lotions. 2) Liniments.
5 Types Of Emulsions: 1- Oil in water emulsions 2- Water in oil emulsions 3- Multiple emulsions (O/W/O) or (W/O/W) in which small water droplet can be enclosed in a larger oil droplet which itself dispersed in water. 4- Microemulsions if the dispersed globules are of colloidal dimensions. It exhibits the properties of hydrophobic colloids.
