Synthesis, Electrochemical, Thermodynamic, and Quantum Chemical Investigations of Amino Cadalene as a Corrosion Inhibitor for Stainless Steel Type 321 in Sulfuric Acid 1M

Table 4

Parameters derived from adsorption models and coefficients of determination at 293 K.

Isotherm	R^2	Slope	Intercept			(kJ/mol)
Langmuir	0.995	1.079	4 × 10^−5	25.103	—	−34.442
Temkin
	0.912	0.087	1.493	1.0173	27.986	−9.822
Freundlich					n
	0.902	0.116	0.300	1.9952	0.116	−11.463