Pseudo-second order kinetic parameters for the adsorption of 60 mg L⁻¹ Cr(vi) on PANI/Ag (AMPSA)/GO QDs at different temperatures.

T (°C)	T (K)	1/T (K−1)	k 2 (g mg−1 min−1)	ln k2 (mg L−1 min−1)
22	295.15	0.0034	0.010	−4.6
30	303.15	0.0033	0.016	−4.6
40	313.15	0.0032	0.017	−4.0
50	323.15	0.0031	0.033	−3.4
60	333.15	0.0030	0.049	−3.0