Metal ion Thermodynamics parameters
R2 ΔH° J/mol ΔS° J/mol K -ΔG° (kJ/mol)
Pb (II) 0.996 12.26 76.09 308K 318K 328K
111.8 119.0 127.1
Table 7: Thermodynamic parameters for the adsorption of Pb(II) on PFSR.