Thermodynamic parameters for F⁻ ions adsorption on G, GL-CS/G, EDTA-GL-CS/G, SDS-CS/G and CTAB-CS/G adsorbents.

Adsorbent	T (K)										ΔH0 (kJ mol−1)	ΔS0 (kJ (mol k)−1)
	K c at different K temperatures					ΔG0 (kJ mol−1) at different K temperatures
	298	303	308	313	318	298	303	308	313	318
G	21.99	21.85	21.86	21.22	21.02	−7.66	−7.77	−7.90	−7.95	−8.05	−1.86	0.019
GL-CS/G	120.3	106.5	100.9	96.66	95.95	−11.9	−11.8	−11.8	−11.9	−12.1	−8.74	0.013
EDTA-GL-CS/G	504.8	498.8	454.2	452.7	446.9	−15.4	−15.7	−15.7	−15.9	−16.1	−5.38	0.033
SDS-CS/G	176.0	175.7	168.8	161.4	160.3	−12.8	−13.0	−13.1	−13.2	−13.4	−4.28	0.028
CTAB-CS/G	318.1	315.4	304.9	295.9	298.7	−14.3	−14.5	−14.6	−14.8	−15.1	−2.99	0.037