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Pharmaceutical Manufacturing Handbook: Production and

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Amount released PPL (%)<br />

110<br />

100<br />

90<br />

80<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

FIGURE 21<br />

t 30%<br />

t 100%<br />

0<br />

0 2 4 6 8 10 12 14 16 18 20 22 24 26 28<br />

Time (h)<br />

Exp.10<br />

Exp.7<br />

Exp.1<br />

Exp.11<br />

Exp.9<br />

Exp.8<br />

Exp.5<br />

Exp.15<br />

Exp.3<br />

Exp.16<br />

Exp.17<br />

Exp.4<br />

Exp.2<br />

Exp.12<br />

Exp.6<br />

Exp.14<br />

Exp.13<br />

Dissolution profi le generated from central composite design.<br />

2.5<br />

2.0<br />

1.5<br />

1.0<br />

30<br />

24<br />

22<br />

20<br />

18<br />

16<br />

14<br />

12<br />

30<br />

40<br />

Ratio DT:HPMC (4:1 w/w)<br />

50<br />

cExc:PPL<br />

40<br />

50<br />

FIGURE 22 Response surface plots formed by plotting values for t 30% <strong>and</strong> t 100% .<br />

60<br />

60<br />

70 10<br />

Cetyl alcohol 15% w/w<br />

cExc:PPL<br />

DESIGN TOOLS OF TABLET FORMULATION 1011<br />

70 1<br />

20<br />

18<br />

16<br />

14<br />

12<br />

2<br />

ce<br />

7<br />

6<br />

5<br />

4<br />

3<br />

DT:HPMC

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