ΔH° (kJ/mol) ΔS° (KJ/mol.K) ΔG°(kJ/mol) 303 K 313 K 323 K 333 K -17.29 -0.0502 -0.0025 -0.00243 -0.0013 -0.0012

Table 2: Thermodynamic parameters of adsorption of Mn(II) onto PCC at different temperatures.