Powders Flashcards
Define powders
What are the pre formulation tests/studies
Morphology
Purity
Solubility
Flowability
Stability
Particle size
Uniformity
Compatibility with any other formulation components
What are the advantages of powders
What are the disadvantages of powders
What are the types of powders
Bulk powders
Divided powders
Dusting powders
Douche powders
Dry powder inhalers
Powders requiring reconstitution
Explain the constituents of bulk powders
How are bulk powders packaged
How do patients take bulk powders
Give example of bulk powders
How are divided powders dispensed
How can hygroscopic and volatile drugs be protected
By using waxed paper
How are effervescent powders packed
Effervescent powders should be protected from what?
How should all powders and granules be stored
In a dry place to prevent deterioration due to ingress of moisture
How are dusting powders dispensed
In glass or metal containers with a perforated lid
What is an important characteristic of dusting powders
What ingredients does the dusting powder contain
What are douche powders
Explain dry powder inhalers
Explain oral antibiotic syrups and suspension as powders requiring reconstitution
How are oral antibiotic syrups and suspension as powders requiring reconstitution are dispensed
Explain powders for injection
What is comminution
On a small scale what are the methods to reduce particle size
On a large scale what are the methods to reduce particle size
Explain blending powders
What is used to blend powders
