Table 3.

Kinetic analyse of the release of bilayered buccal tablets of sumatriptan succinate.

Formulation code	Korsmeyer Peppa's			Zero order		First order		Higuchi		t50% (h)
	K	R 2	n	K	R 2	K	R 2	K	R 2
T1	15.24	0.997	0.817	10.86	0.992	−0.17733	0.986	27.30	0.949	4.20
T2	20.23	0.984	0.606	9.726	0.964	−0.15430	0.980	25.15	0.976	4.60
T3	17.90	0.993	0.644	9.187	0.970	−0.13818	0.991	23.71	0.978	4.70
T4	15.24	0.994	0.788	10.44	0.993	−0.16582	0.990	26.23	0.948	4.45
T5	16.33	0.964	0.681	9.409	0.984	−0.14279	0.979	23.75	0.948	4.90
T6	16.40	0.992	0.638	8.086	0.957	−0.11515	0.987	21.10	0.987	5.80