It is important to mention that, for the lowest concentration measurements (5 ppm), the best inhibition efficiency is presented by compound 7 . The presence of the halogen attached to the benzene ring does not show a clear trend in the improvement of the inhibition efficiency, because it is not the only fragment that is interacting with the metal surface [ 48 ].
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Adsorption and corrosion inhibition behaviour of new theophylline-triazole-based derivatives for steel in acidic medium.
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