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- W2000577771 abstract "The study of the inhibiting effect of certain pyridine and aniline derivatives on the corrosion of copper in persulphate solutions enables the compounds to be arranged in the following series of decreasing inhibiting power; 2,6-lutidine – 2-picoline – pyridine – m-anisidine – p-phenetidine – aniline. Inhibition may generally be attributed to the adsorption of organic molecules, nitrogen being an electron donor and becoming attached to the metal surface. Symmetric substitution by methyl groups in the pyridine molecule increases the inhibiting effect. In the case of aniline derivatives m-anisidine is superior to the other compounds studied. On the base of electrochemical experiments it may be concluded that the reaction is under cathodic control, the cathode being extremely polarized at high current densities. Amine als Korrosionsinhibitoren für Kupfer Die Untersuchung der inhibierenden Wirkung einiger Pyridin- und Anilinderivate auf die Korrosion von Kupfer in Persulfatlösungen ermöglicht die Aufstellung der folgenden Reihenfolge abnehmender Inhibitorwirkung: 2,6-Lutidin - 2-Picolin - Pyridin - m-Anisidin - p-Phenetidin - Anilin. Die Inhibierung kann im allgemeinen auf die Adsorption organischer Moleküle zurückgeführt werden, wobei der Stickstoff als Elektronendonator an der Metalloberfläche fixiert wird. Symmetrische Substitution durch Methylgruppen in Pyridin erhöht die Hemmwirkung. Im Falle der Anilinderivate ist die Wirkung des m-Anisidins am höchsten. Aufgrund von elektrochemischen Versuchen ist die Reaktion kathodisch kontrolliert, wobei die Kathode bei hohen Stromdichten sehr stark polarisiert ist." @default.
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- W2000577771 date "1975-02-01" @default.
- W2000577771 modified "2023-09-27" @default.
- W2000577771 title "Amines as Corrosion Inhibitors for Copper" @default.
- W2000577771 doi "https://doi.org/10.1002/maco.19750260206" @default.
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