. 2022 Aug 23;20(2):861–879. doi: 10.1007/s40201-022-00827-w

Table 7.

Thermodynamic parameters for the sorption of As(III) and As(V) onto BFA-Fe

Compounds	$Δ G_{ads}^{0}$ (KJ mol⁻¹)					$Δ H^{0}$ (KJ mol⁻¹)	$Δ S^{0}$ (KJ mol⁻¹ K⁻¹)
Compounds	283 K	293 K	303 K	313 K	323 K	$Δ H^{0}$ (KJ mol⁻¹)	$Δ S^{0}$ (KJ mol⁻¹ K⁻¹)
Langmuir
As(III)	-35.47	-35.57	-35.57	-35.78	-35.88	-32.55	0.01
As(V)	-30.53	-32.21	-33.9	-35.58	-37.27	-17.19	0.17
Freundlich
As(III)	-45.14	-48.04	-49.93	-51.82	-53.71	-7.39	0.19
As(V)	-44.72	-47.01	-49.31	-51.5	-53.89	-20.119	0.23
Temkin
As(III)	-38.97	-40.58	-42.39	-44.09	-45.08	-9.35	0.17
As(V)	-38.81	-40.54	-42.28	-44.01	-45.75	-10.328	0.17
Redilich-Peterson
As(III)	-43.85	-45.34	-48.82	-51.31	-53.8	-25.58	0.25
As(V)	-44.75	-48.3	-51.84	-55.39	-58.93	-55.57	0.35