Physically Instability of Emulsion | Pharmacy Notes
1.Flocculation: Neighboring globals come closer to each other โ forms Flocs Re-Dispersed on shaking Prevented by imparting charges on globules and using uniform-sized globules 2.Creaming: Occurs Due to the density difference Upward creaming-O/W emulsion Downward creaming-W/O emulsion If Creaming occurs, Drug is not uniformly distributed โ variable in dosage โ emulsion should be shaken for …
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