Table 3.

Drug release kinetics.

		Zero order		First order		Higuchi Model		Korsmeyer–Peppas
Sample	pH	Ko	R2	K1	R2	KH	R2	n	R2
VNa-4	7.4	1.35	0.999	0.076	0.991	7.48	0.984	0.579	0.989
	1.2	1.53	0.992	0.052	0.990	9.34	0.991	0.595	0.984