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

Table 1

Experimental protonation constant () of L1, in KCl of different ionic strength and at different temperatures.

	293.15 K	298.15 K	303.15 K	308.15 K	313.15 K
0.000	9.22	9.25 (9.41)	9.19	9.17	9.16
0.010	9.19	9.18	9.17	9.16	9.15
0.250	9.21	9.20	9.18	9.17	9.16
0.950	9.26	9.24	9.23	9.21	9.20
1.900	9.30	9.29	9.27	9.26	9.25
2.300	9.40	9.38	9.37	9.36	9.35
3.100	9.49	9.48	9.46	9.45	9.44

Values in parentheses are the literature [11] protonation constants.