Protonation and Solvation Thermodynamics of Some Naphthol Derivatives in KCl Aqueous Solution of Different Ionic Strengths

Table 7

Activity coefficients () and the Setschenow coefficient () for the neutral species for L1 and L2 in aqueous KCl of different ionic strength and at different temperatures.

Ligand		293.15 K	298.15 K	303.15 K	308.15 K	313.15 K
L1	0.010	0.0091	0.0146	0.0130	0.0080	0.0180
	0.250	0.0391	0.0346	0.0330	0.0380	0.0279
	0.950	0.1791	0.1846	0.1930	0.1882	0.1880
	1.900	0.3891	0.3845	0.3830	0.3980	0.3880
	2.300	0.4691	0.4746	0.4730	0.4780	0.4880
	3.100	0.5991	0.6046	0.6131	0.6080	0.6080
		0.198	0.199	0.199	0.201	0.202
L2	0.460	0.0660	0.0719	0.0709	0.0711	0.0712
	0.500	0.0860	0.0821	0.0811	0.0812	0.0812
	0.940	0.1361	0.1322	0.1310	0.1313	0.1213
	1.500	0.2063	0.2023	0.2003	0.2011	0.2011
	2.000	0.3263	0.3218	0.3209	0.3209	0.3210
	2.100	0.3658	0.3424	0.3406	0.3411	0.3409
	3.200	0.4764	0.4717	0.4706	0.4709	0.4718
		0.155	0.151	0.151	0.151	0.153