Sample Code ΔH° (KJ/mol) ΔS° (KJ/mol K) ΔG° (KJ/mol) 298 K 308 K 318 K Ac blank 52.2015 0.2742 - 29.5576 -32.2234 - 35.0466 Ac 4% 45.4809 0.243 -27.3126 -29.2817 -30.1830 Ac 8% 27.0154 0.1891 -29.5196 -30.8827 -33.3259

Table 8: Thermodynamic parameters for adsorption of MB by Ac blank, Ac 4%, Ac 8% at different temperatures.