Parameters of Langmuir and Freundlich isotherm models at 288 K, 298 K, 308 K and 318 K.

Adsorbent	T (K)	Langmuir			Freundlich
		K L	q max (mg g−1)	R 2	K F	1/n	R 2
GO2–CTS	288	0.128	130.54	99.68	35.15	0.316	98.01
	298	0.084	132.11	99.65	27.55	0.357	99.26
	308	0.044	139.22	99.62	18.25	0.422	98.32
	318	0.029	146.31	99.06	13.32	0.474	96.92
AGO2–CTS	288	0.616	129.26	98.22	62.76	0.236	97.79
	298	0.336	129.42	99.68	52.54	0.256	97.29
	308	0.140	143.79	99.99	36.615	0.347	97.83
	318	0.082	144.63	99.81	27.421	0.387	97.70