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. 2021 Jun 18;18(12):6581. doi: 10.3390/ijerph18126581

Table 3.

Thermodynamic parameters for adsorption of 100 mg L−1 Cd2+ and Pb2+ on HEMA/CNF copolymer at 25 and 35 °C.

T (K) ΔH (kJ mol−1) ΔS (J mol−1 K−1) ΔG (kJ mol−1)
Cd(II) 298 3.06887 39.49851 −11,862
308 −13,205.3
Pb(II) 298 3.50338 52.1216 −15,636.6
308 −17,240.4