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Table 1 Parameters in Langmuir and Freundlich adsorption isotherm models of paraquat onto ketoenol–pyrazole at 298 K

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

Langmuir isotherm parameters Qo (mg/g) b (L/mg) R2
17.63 0.80 0. 9986
Freundlich isotherm parameters n 1/n R2
25.44 0.0393 0.707