INITIAL-STAGES OF COPPER CORROSION IN HUMID AIR CONTAINING SO2 AND NO2

被引：59
|
作者：
ERIKSSON, P
JOHANSSON, LG
STRANDBERG, H
机构：
[1] CHALMERS UNIV TECHNOL,DEPT INORGAN CHEM,S-41296 GOTHENBURG,SWEDEN
[2] GOTHENBURG UNIV,S-41296 GOTHENBURG,SWEDEN
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 1993年 / 140卷 / 01期
关键词：
D O I：
10.1149/1.2056109
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
We report on the reaction of SO2 and NO2 in sub-ppm concentrations in humid air with a copper surface. The deposition of SO2 was studied in a time-resolved manner and the formation of HNO2 was measured. Corrosion products were analyzed using XRD, FTIR, FTIRAS, and ion chromatography. S(IV)-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 SO2-polluted air is accelerated strongly by the presence of NO2.
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页码：53 / 59
页数：7
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