Table 2.

Mathematical modeling and drug release kinetics.

pH	SGF Contact time (h)	k (%/h)	k1.2 (%/h)	k6.8 (%/h)
1.2		7.97	13.37	6.80
6.8		3.88	12.99	5.60
1.2–6.8		4.16	13.88	4.80
	0.5	4.02	29.06	4.45
	1	4.00	18.64	4.47
	2	4.16	13.88	4.80