Table 3 Thermodynamics parameters of MB adsorption onto Ng-CuGA.

From: One-step synthesis of nitrogen-grafted copper-gallic acid for enhanced methylene blue removal

Parameter

Temperature (K)

303

313

323

ΔG (kJ mol-1)

− 37.70

− 37.98

− 39.49

ΔH (kJ mol-1)

− 10.45

ΔS (J mol-1 K-1)

89.30