Suspensions: Formulation of flocculated and deflocculated suspensions and MCQs for GPAT, NIPER, Pharmacist and Drug Inspector exam

Methods For Formulation of Suspension: 1-Precipitation method: Three precipitation methods are used: Organic solvent precipitation: Water insoluble drugs can be precipitated by dissolving them in water- miscible organic solvent and then adding organic phase to distilled water under standard conditions. […]

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Surfactants, Surface active agents and Question Answer for GPAT, NIPER, Pharmacist and Drug Inspector exam

SURFACE-ACTIVE AGENTS (SURFACTANTS): Substances having both hydrophilic and hydrophobic regions in their molecular structures are called surfactants or surface-active agents. When surfactants are added to the air/ liquid (water) interface, they accumulate at the interface, a process that is generally […]

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