Table VI.
Model | Fitting equation | Correlation coefficient r |
---|---|---|
Zero-order release model | Q = 0.0152 t + 0.4544 | 0.9101 |
First-order release model | ln(1-Q) = −0.046 t − 0.5090 | 0.9770 |
Higuchi model | Q = 0.1166 t1/2 + 0.2697 | 0.9673 |
Ritger-Peppas model | lnQ = 0.2965 lnt − 0.1067 | 0.9600 |
Weibull model | ln(1/1-Q) = 0.5311 lnt − 0.1704 | 0.9710 |
Q, accumulative release rate; t, time.