Unit 4 Part 4 | General Pharmacy (BP102T) · B Pharm 1st Semester (PCI 2026 Syllabus)
Biphasic liquids and pharmaceutical suspensions: classification, flocculated and deflocculated suspensions, suspending, wetting and flocculating agents, and preparation by dispersion and precipitation.

Topics covered
• Biphasic liquids and suspensions: definitions, advantages and limitations
• Classification by route, particle size, aggregation and solid content
• Flocculated and deflocculated suspensions: differences and stability
• Formulation excipients: suspending, wetting and flocculating agents
• Preparation by dispersion and precipitation
• Dry powder for reconstitution, packaging and labelling

Chapters
00:00 Biphasic liquids and suspensions
09:33 Classification of suspensions
13:05 Flocculated and deflocculated suspensions
20:57 Formulation excipients for suspensions
22:58 Dispersion and precipitation methods
27:23 Dry powder for reconstitution

Study General pharmacy in order
Previous lesson — Excipients and solution preparation, Unit 4 Part 3:
https://youtu.be/R3SOQXThDxE

Next lesson — Emulsions, Unit 4 Part 5:
https://youtu.be/Iycad2eASYg

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