Table 2. Parameters of the Langmuir–Freundlich Equation Characterizing the Adsorption of Acid Orange 8 on the Chitosan–Fumed Silica Composite at Various Temperatures.

adsorption system	am	m	n	log K	R2	SD(a)
AO8/ChS (5 °C)	0.29	0.55	0.55	1.967	0.955	0.019
AO8/ChS (25 °C)	0.24	0.70	0.70	1.972	0.985	0.012
AO8/ChS (45 °C)	0.22	0.79	0.79	1.973	0.991	0.006