The Effect of Temperatures on the Synergistic Effect between a Magnetic Field and Functionalized Graphene Oxide-Carbon Nanotube Composite for Pb²⁺ and Phenol Adsorption

Table 2

Fitting parameters of Langmuir and Freundlich isotherm models.

Adsorbate	Langmuir isotherm model			Freundlich isotherm model
	(mg/g)	(L/mg)		(mmol^1-n·L^n/kg)
Pb^2+	131.6	0.27	0.989	55.12	4.65	0.993
Phenol	90.74	0.01	0.876	2.99	2.07	0.966