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Corrosion Inhibition of Copper by Thioureas and N, O, S-Ligating Ring Compounds
2020
Portugaliae Electrochimica Acta
Certain N, O, S-ligating ring compounds and thioureas were investigated to understand their role of copper corrosion inhibition in acetonitrile. For 5 quinones under study, including xanthone, xanthene, thioxanthone, acridone and 1,4-naphthoquinone, acridone was the best inhibitor, with Cu corrosion rate of 4.495 × 10 -4 mm/year, whereas 1,4naphthoquinone exhibited the lowest inhibition, due to a lower number of nitrogen groups. With the presence of sulphur, to form a stronger bond with Cu,
doi:10.4152/pea.202005343
fatcat:ufya5q7dvfaohe5tq24betqmjq