Pseudo-first-order model				Pseudo-second-order model
	Q e,exp (mg g−1)	Q e,cal (mg g−1)	K 1 (min−1)	R 2	Q e,cal (mg g−1)	K 2 (g mg−1 min−1)	R 2
Salicylic acid	498.97	498.92	0.76	1.000	500.73	0.018	0.998
Naproxen	481.38	479.80	0.27	0.994	500.69	0.001	0.991
Ketoprofen	473.13	472.26	0.23	0.994	497.47	0.001	0.992