Biosynthesis and Characterization of Iron Nanoparticles for Effective Adsorption of Cr(VI)

Table 3

The isotherm model constants and regression coefficient.

T (K)	Langmuir isotherm model			Error function		Freundlich isotherm model			Error function
	Q°	b	R^2	χ^2	RMSE	KF	1/n	R^2	χ^2	RMSE
298	161.29	0.2059	0.998	0.969	4.96	52.07	0.2147	0.878	11.87	14.67
308	166.66	0.2255	0.997	0.913	4.73	52.35	0.2234	0.917	9.71	13.96
318	312.50	0.3950	0.998	0.851	0.964	85.11	0.3194	0.917	9.11	13.97
328	277.78	0.1791	0.998	4.21	12.79	59.08	0.3315	0.929	27.53	31.26