Interesting Behavior of Pachycormus discolor Leaves Ethanol Extract as a Corrosion Inhibitor of Carbon Steel in 1 M HCl: A Preliminary Study

Table 5

Adsorption parameters for EEPD in 1 M HCl obtained from Langmuir adsorption isotherms at different temperatures.

Temperature	Adsorption parameters
𝑇 (°C)	slope	𝐾 (mL^−1 L)	𝑟^2
23	1.04	1.46	0.9930
40	1.01	0.72	0.9539
60	1.01	0.51	0.9230
75	1.05	0.58	0.9230