Table III.

Release Kinetics of Famotidine F1–F9 Formulations

	Zero order		First order		Higuchi		Korsmeyer–Peppas			Hixson–Crowell		Baker and Lonsdale		Weibull model			MDT
	r 2	K 0(h −1)	r 2	K 1(h −1)	r 2	k H(h −½)	r 2	n	K kp(h −n)	r 2	K HC(h −1/3)	r 2	K B&L	r 2	β	α	h
F1	0.859	17.68	0.951	0.561	0.925	59.75	0.941	0.74	0.094	0.953	0.903	0.939	0.127	0.938	1.439	1.739	1.469
F2	0.855	9.204	0.959	0.214	0.925	36.98	0.944	0.745	0.093	0.981	0.392	0.979	0.051	0.994	1.399	4.7	3.027
F3	0.909	5.963	0.855	0.128	0.974	30.36	0.945	0.725	0.099	0.974	0.206	0.981	0.024	0.976	1.215	7.901	5.481
F4	0.984	3.217	0.875	0.042	0.985	19.58	0.976	0.572	0.156	0.949	0.099	0.878	0.012	0.943	0.848	7.175	10.215
F5	0.978	3.184	0.898	0.034	0.981	19.42	0.978	0.691	0.085	0.952	0.088	0.864	0.009	0.968	0.924	9.143	10.969
F6	0.976	3.208	0.886	0.038	0.988	19.64	0.992	0.639	0.103	0.951	0.093	0.872	0.1	0.968	0.889	8.09	10.509
F7	0.971	3.163	0.796	0.058	0.983	19.37	0.973	0.521	0.153	0.926	0.116	0.879	0.015	0.913	0.848	6.617	9.285
F8	0.931	2.89	0.977	0.023	0.984	18.09	0.905	0.957	0.036	0.971	0.067	0.958	0.006	0.905	1.064	11.37	9.827
F9	0.933	2.744	0.977	0.02	0.986	17.18	0.928	0.992	0.030	0.969	0.06	0.913	0.005	0.958	1.156	14.17	9.910