Sodium Dodecyl Sulfate-Modified Fe₂O₃/Molecular Sieves for Removal of Rhodamine B Dyes

Table 4

Nonlinear and linear Freundlich and Langmuir constants for the adsorption isotherm of RB on Fe₂O₃-13X-Ms.

	Freundlich parameters				Langmuir parameters
	(mg/g)		R^2	SSE			R^2	SSE
Linear method	38.9	3.6	0.99	73.362	89.3	0.63	0.96	493.2
Nonlinear method	37.61	3.25	0.983	94.64	83.8	0.7704	0.89	487.5