Chemical Speciation of the System Cu(II)-Indomethacin in Ethanol and Water by UV-Vis Spectrophotometry

Table 1

Logarithms of the global formation constants, , with their standard deviations , as well as the statistical parameters and U of the Cu(II)–Indomethacin complexes determined in water or ethanol.

⁢Complex		Log				Solvent
1 : 2	CuIndo2	14.0552	0.4329	6.0050 × 10^−3	2.9749 × 10^−2	Ethanol
2 : 1	Cu2Indo^3+	9.3790	0.0516
2 : 2	Cu2	16.7165	0.4419
1 : 1	CuIndo^+	6.8345	0.0802	3.5658 × 10^−3	1.0146 × 10^−2	Water