Table 1.

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

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