Corrosion Behavior and Adsorption Thermodynamics of Some Schiff Bases on Mild Steel Corrosion in Industrial Water Medium

Table 3

Adsorption parameters for adsorption of SB₁ and SB₂ on mild steel in industrial water medium at different temperatures from Langmuir adsorption isotherm.

Inhibitor	Temperature (K)	R ^2	K ads (L mol^−1)	ΔG ads (kJ mol^−1)	ΔH ads (kJ mol^−1)	ΔS ads (J mol^−1 K^−1)
SB1	303	0.998	2500	−29.83
	313	0.999	2000	−30.23	−21.90	−23.27
	323	0.998	1428	−30.29
	323	0.998	1428	−30.29
	333	0.993	1111	−30.54
SB2	303	0.998	1428	−28.42
	313	0.998	1428	−29.36	−57.40	−11.15
	323	0.998	1111	−29.62
	333	0.997	1000	−30.24