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Initial Stages of Copper Corrosion in Humid Air Containing SO 2 and NO 2
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1993
Year
Materials ScienceCorrosion TechnologyChemical EngineeringCopper Oxide MaterialsEnvironmental ChemistryCorrosion RatesEngineeringCorrosionCorrosion ProtectionCorrosion ProductsSurface ScienceInitial StagesCopper SurfaceChemistryChemical DepositionCopper CorrosionCorrosion ResistanceCorrosion Inhibition
We report on the reaction of and in sub‐ppm concentrations in humid air with a copper surface. The deposition of was studied in a time‐resolved manner and the formation of was measured. Corrosion products were analyzed using XRD, FTIR, FTIRAS, and ion chromatography. SIV‐O species on the copper surface was analyzed quantitatively using a sensitivity of 10−11 mol. Corrosion rates and corrosion products are reported. The corrosion of copper in humid air is accelerated strongly by the presence of .