Adsorption of dimegin and inhibition of copper dissolution in aqueous solutions
Source abstract
Abstract
Adsorption of dimegin and inhibition of copper dissolution have been studied in neutral chloride solutions. On the oxidized copper the dimegin at E = 0.0 V (vs. NHE) at low concentrations of logCin = −7.75.... −5.75 forms a conditional monolayer. In this range of Cin the adsorption is adequately described by the Temkin equation with the free adsorption energy of dimegin (−ΔGa0 = 56 kJmol-1) and stabilizes a passive state of copper. In comparison with known corrosion inhibitors for copper the dimegin surpasses them in passivation and protective effect and it can act as a surface modifier for further adsorption of other inhibitor, for example, well known 1,2,3-benzotriazole.
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Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Electrochemical Analysis and Applications · Anodic Oxide Films and Nanostructures
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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