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Table 3 The values of the calculated thermodynamic parameters of PQT2+ adsorption

From: Removal and extraction efficiency of Quaternary ammonium herbicides paraquat (PQ) from aqueous solution by ketoenol–pyrazole receptor functionalized silica hybrid adsorbent (SiNPz)

ΔS° (J/mol k) ΔH° (kJ/mol) ΔG° (kJ/mol)
288 K 298 K 308 K 318 K
0.114 22.56 − 10.27 − 11.41 − 12.55 − 13.69