Table 1.

Langmuir and Freundlich isotherm parameters for As(III) adsorption onto IO-CTAB nanoparticles.

Sample	Langmuir				Freundlich
IO-CTAB	R2	qm (mg/g)	KL (L/mg)	RL	R2	n	kf
	0.996	80.841	0.1	0.2	0.985	1.06	4.563