Characterization by Potentiometric Procedures of the Stability Constants of the Binary and Ternary Complexes of Cu(II) and Duloxetine Drug with Amino Acids

Table 4

Kinetic parameters evaluated by Coats–Redfern equation.

Compound	Stage	Decomposition range (°C)	A (S^−1)	Ea (kJ/mol)	ΔH (kJ/mol)	ΔS (kJ/mol K)	ΔG (kJ/mol)
[Cu(D)(H2O)Cl]	1st	463	86.88 × 10^7	112.21	109.64	−0.033	154
	2nd	546	11.23 × 10^7	144.33	140.67	−0.068	187
	3rd	632	97.22 × 10^9	177.21	172.98	−0.094	247
[Cu(D)(Gly)]	1st	459	6.45 × 10^9	36.74	76.08	−0.032	158
	2nd	562	7.25 × 10^10	83.41	92.15	−0.073	195
	3rd	633	8.12 × 10^6	122.22	123.45	−0.095	192