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Pharmaceutical Manufacturing Handbook: Production and

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1128 CONTROLLED RELEASE OF DRUGS FROM TABLET COATINGS<br />

APPENDIX<br />

The in vitro release profi les of the model drug theophylline are shown below in<br />

Figures A1 through A10 .<br />

FIGURE A1 Release of theohylline from tablet coatings made with 5% CA dissolved in<br />

90% acetone <strong>and</strong> 5% water.<br />

FIGURE A2 Release of theohylline from tablet coatings made with 10% CA dissolved in<br />

85% acetone <strong>and</strong> 5% water.

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