News — Small Volume Dissolution

The following article has been authored by John Heaney. Compared to the rest of dissolution testing, small volume dissolution is in a bit of a strange position within the industry.  The bulk of dissolution testing is set around well-defined apparatus with specific dimensional tolerances and a 1 L glass vessel with a hemispherical bottom.   Small volume dissolution can vary widely, the main commonality being that the maximum capacity of the vessels is significantly smaller than 1 L. The first question one may ask is why do small volume dissolution at all?  As pharmaceutical technology improves, with better chemistry and things...