Table 3. Kinetic Parameters.

		pseudo-first-order					pseudo-second-order
sorbate	concn (mg/L)	k1 (1/min)	R2	SEE	qe (cal) (mg/g)	qe (exp) (mg/g)	k2 × 10–2 (g/(mg min))	qe (cal) (mg/g)	R2	SEE
AMX	60	0.233	0.66	1.205	48.15	48.22	0.012	50.20	0.94	0.485
	70	0.240	0.71	1.341	55.76	55.80	0.012	57.98	0.95	0.552
	80	0.245	0.74	1.386	63.32	63.70	0.011	65.70	0.96	0.581
DF	60	0.245	0.72	0.939	40.93	41.46	0.017	42.49	0.95	0.377
	70	0.253	0.75	0.918	47.17	47.94	0.016	48.79	0.96	0.346
	80	0.255	0.76	1.001	53.69	54.78	0.014	55.50	0.97	0.343