Table 5.

Thermodynamic constants for adsorption of Congo Red by Ag–Cu–CeO₂ nanocomposites.

Nanocomposite	ΔHo	ΔSo	ΔG0 (kJmol−1)						R2
	(kJmol−1)	(kJmol−1)	283 K	293K	293K	303K	313K	323K	333 K
ACC 10:20:70	−27.573	−0.072	−0.50	−0.40	−0.34	−0.29	−0.25	−0.21	0.9823
ACC 15:15:70	−26.431	−0.069	−0.51	−0.40	−0.34	−0.31	−0.25	−0.19	0.9796
ACC 20:10:70	−16.637	−0.052	−0.13	−0.08	−0.05	−0.01	0.01	0.05	0.9974