Questions and Answers
What does the Noyes-Whitney equation describe?
The rate of dissolution of spherical particles when the dissolution process is diffusion-controlled
What does the Noyes-Whitney equation include as a parameter for the rate of dissolution?
Diffusion coefficient of drug
Which apparatus is a very versatile device for the in vitro assessment of release characteristics of solid oral dosage forms?
Apparatus 3 (Reciprocating Cylinder)
What is the standard flow rate for the Flow-Through Cell apparatus?
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In the dissolution procedure for immediate-release dosage forms, where should the specimen be withdrawn from?
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What is the main difference between solubility and dissolution?
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Which factor is NOT known to affect the dissolution rate of drugs?
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Why is slow dissolution of solid drugs associated with poor performance in vivo?
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What does in vitro bioavailability refer to?
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What does in vivo evaluation of oral dosage forms involve?
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