What is diffusible and indiffusible suspension? Explain quality control parameters of suspension. (Industrial Pharmacy - ll)
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A Pharmaceutical suspension is a disperse system in which internal phase is dispersed uniformly as finely divided insoluble particles throughout the external phase.
The external phase (suspending medium) is generally aqueous in some instance, may be an organic or oily liquid for non oral use.
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Diffusible and indiffusible suspensions and about quality control parameters of suspension:
Explanation:
- Suspension containing diffusible substances and they consists easily dispersible solids. They are light and easily wettable substances.
- Suspensions containing indiffusible solids. These are insoluble powders and will not be remain distributed in a vehicle long enough to ensure uniformity of dose.
- Quality control is a procedure or set of procedures that ensures that the manufactured product adheres to a defined set of quality criteria or meets the requirements of the customer.
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