Research Article

Adsorption Properties and Inhibition of C38 Steel Corrosion in Hydrochloric Solution by Some Indole Derivates: Temperature Effect, Activation Energies, and Thermodynamics of Adsorption

Figure 9

Nyquist diagrams for C38 steel in 1 M HCl containing 0.2 mM of norharmane at different temperatures.
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