Table 2. Kinetics parameters for the adsorption of Orange I by Fe₃O₄-CS.

pseudo-first-order model		pseudo-second-order model
R2	k1 (min−1)	R2	k2 (g mg−1 min−1)	qe (mg g−1)
0.8664	1.178×10−1	0.9561	5.277×10−4	224.2