Unit 4 Part 5 | General Pharmacy (BP102T) · B Pharm 1st Semester (PCI 2026 Syllabus)
Pharmaceutical emulsions: oil-in-water (O/W), water-in-oil (W/O) and multiple emulsions, emulsifying agents, identification tests, and dry gum, wet gum, bottle and beaker methods of preparation.

Topics covered
• Oil-in-water (O/W), water-in-oil (W/O) and multiple emulsions
• Emulsifying agents: functions, classes and selection
• Identification by dilution, conductivity, dye solubility, filter paper and microscopy
• Formulation excipients for emulsions
• Dry gum, wet gum, bottle and beaker methods of preparation

Chapters
00:00 Emulsions and emulsifying agents
14:08 Tests for identification of emulsion type
22:54 Formulation excipients for emulsions
23:09 Dry gum and wet gum methods
27:28 Bottle and beaker methods

Study General pharmacy in order
Previous lesson — Suspensions, Unit 4 Part 4:
https://youtu.be/At6b1bal6hY

Next lesson — Semisolid dosage forms and ointments, Unit 5 Part 1:
https://youtu.be/47iV1wmckEw

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