Table 2.

Adsorption kinetic parameters for adsorption of Ce(III) and Gd(III) onto CMC-g-PAM/ATP.

Pseudo-first-order equation				Pseudo-second-order equation
Sample	qe, cal (mg/g)	K1 × 10−2 (min−1)	R2	qe, cal (mg/g)	K2 × 10−3 (g/mg min)	R2	qe, exp (mg/g)	Metal
S1	45.99	04.34	0.4823	212.28	1.19	0.9959	203.58	Ce(III)
S2	36.84	3.29	0.2594	207.12	1.30	0.9973	205.61	Ce(III)
S3	37.91	3.73	0.3651	211.15	1.35	0.9971	204.37	Ce(III)
S3	91.89	7.39	0.4706	214.61	1.22	0.9975	206.17	Ce(III)
S5	33.72	3.64	0.3197	211.40	1.57	0.9977	205.73	Ce(III)
S6	46.79	3.14	0.5010	210.46	1.42	0.9977	202.56	Ce(III)
S7	123.97	8.35	0.7361	215.43	1.23	0.9975	206.65	Ce(III)
S8	23.99	2.85	0.0633	211.93	1.78	0.9958	208.94	Ce(III)
S2	38.93	3.02	0.2651	220.26	1.33	0.9943	215.15	Gd(III)