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Pharmaceutical Technology: Controlled Drug Release, Volume 2

Pharmaceutical Technology: Controlled Drug Release, Volume 2

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CH. 2] THE EFFECT OF ELECTROLYTES AND DRUGS 31<br />

Fig. 2—Dissolution profiles of propanolol hydrochloride from HPMC K15M matrices into media, buffered to pH 6.0<br />

containing various solutes.<br />

only water should be used as the dissolution medium for fundamental studies into drug release.<br />

However, physiological conditions need to be considered further.

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