Table 2.

Kinetic parameters for the adsorption of As(V) onto material VF-DEHPA-Fe.

Temp, (K)	qe,exp, µ/g−1	Pseudo-First Order Kinetic Model				Pseudo-Second Order Kinetic Model
		qe,calc, µg g−1	ks1, min−1	R2	χ2	qe,calc, µg g−1	ks2, min−1 (µg/g)−1	R2	χ2
298	161.1	83.82	0.0093	0.6015	0.32	178.6	30.3·104	0.9927	1.7·10−4
308	168.4	56.49	0.0122	0.6206	0.41	181.8	60.3·104	0.9975	1.0·10−4
318	173.3	60.77	0.0204	0.8041	0.44	185.2	65.4·104	0.9982	8.5·10−5