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...B pharm iv semester vii dosages form technology dft i bp sn topics hrs preformulation considerations concept study of physical properties description microscopic examination particle size partition coefficient dissolution solubility membrane permeability drug stability crystal structure and polymorphism suppository introduction types bases preparation new trends factors affecting absorption from various suppositories displacement value evaluation packaging storage ointment preservation base ophthalmic capsule advantage disadvantages additives used in hard gelatin advantages material for production manufacturing shell methods filling soft gel formulation manufacture tablet rational excipients wet dry direct compression granulation problems defects during standardization coating film forming process equipment cosmetics fundamental classification cold cream vanishing moisturizing cleansing face powder dentifrices tooth paste shampoo lipstick practicals instruments machines instrument mach...