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The " dissolution" method: a low volume, in vitro apparatus for assessing the dissolution/precipitation behaviour of

Tom Gravestock1, Karl Box1, John Comer1

  • 1Sirius Analytical Instruments Ltd., Forest Row, East Sussex RH18 5DW, UK. john.comer@sirius-analytical.com.

Analytical Methods : Advancing Methods and Applications
|September 17, 2020
PubMed

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Alternative drug dissolution methods include the rotating bottle, intrinsic dissolution test, peristalsis, and the Franz diffusion cell method. The rotating bottle method involves meticulously rotating tightly capped controlled-release beads in a temperature-controlled bath. Periodic decanting of samples allows for residue assay, followed by refilling with fresh medium and testing at various pH levels to emulate the gastrointestinal tract conditions.In contrast, the intrinsic dissolution test...
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Compendial dissolution methods are standardized procedures defined by pharmacopeias to evaluate the rate at which a drug dissolves in a specific medium. These methods ensure batch-to-batch consistency, enable quality control, and support the prediction of drug bioavailability. They are critical for both immediate and modified-release drug products.The apparatuses used for dissolution testing differ in their design and mechanical function, but all aim to simulate the physiological environment of...
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