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

Table 9

The standard thermodynamic parameters of protonation process ((  kJ mol⁻¹), (  kJ mol⁻¹), and (  kJ mol⁻¹⋅K⁻¹)) of L1, L2, and L3 at different temperatures (/K).

Ligand		293.15	298.15	303.15	308.15	313.15
L1		−53.018	−53.866	−54.712	−55.497	−56.278	−3.721	0.169
L2		−57.110	−57.970	−58.888	−59.739	−60.649	−5.258	0.177
		−49.824	−50.503	−51.293	−52.080	−52.806	−7.474	0.144
L3		−58.118	−58.996	−59.870	−60.799	−61.667	−5.962	0.178
		−47.414	−48.109	−48.800	−49.665	−50.291	−4.557	0.146
		−7.342	−7.353	−7.361	−7.423	−7.424	−5.963	0.005