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Table 5

Effect of thermodynamic parameters on sorption of gentian violet on ZMLC

T	1/T	Concentration adsorbed			ΔG	ΔH	ΔS
(K)	(K⁻¹) × 10⁻³	(mol/L) × 10⁻⁶	K_c	lnK_c	(kJmol⁻¹)	(kJmol⁻¹)	(Jk⁻¹ mol⁻¹)
273	3.66	2.60	657.69	6.48	14.70		−3.12
283	3.53	2.94	580.61	6.36	14.96		−3.38
293	3.41	3.33	512.31	6.20	15.10		−3.52
303	3.30	4.55	374.72	5.97	15.30	11.58	−3.72
313	3.19	4.75	358.50	5.88	15.39		−3.81
323	3.09	4.77	355.30	5.75	15.44		−3.86
333	3.00	6.49	260.40	5.57	15.69		−4.11

T	1/T	Concentration adsorbed			ΔG	ΔH	ΔS
(K)	(K⁻¹) × 10⁻³	(mol/L) × 10⁻⁶	K_c	lnK_c	(kJmol⁻¹)	(kJmol⁻¹)	(Jk⁻¹ mol⁻¹)
273	3.66	2.60	657.69	6.48	14.70		−3.12
283	3.53	2.94	580.61	6.36	14.96		−3.38
293	3.41	3.33	512.31	6.20	15.10		−3.52
303	3.30	4.55	374.72	5.97	15.30	11.58	−3.72
313	3.19	4.75	358.50	5.88	15.39		−3.81
323	3.09	4.77	355.30	5.75	15.44		−3.86
333	3.00	6.49	260.40	5.57	15.69		−4.11