INSITU INFRARED SPECTROSCOPIC STUDY OF THE ANODIC OXIDE FILM ON IRON IN ALKALINE-SOLUTIONS

被引：23
|
作者：
BEWICK, A [1 ]
KALAJI, M [1 ]
LARRAMONA, G [1 ]
机构：
[1] UNIV SOUTHAMPTON, DEPT CHEM, SOUTHAMPTON SO9 5NH, HANTS, ENGLAND
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1991年 / 318卷 / 1-2期
关键词：
D O I：
10.1016/0022-0728(91)85304-8
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The composition of the oxide film formed on iron in 0.1, 1 and 5 M NaOH was investigated using in-situ infrared spectroscopy (SNIFTIRS). For all three solutions Fe(OH)2 was found. In 1 M NaOH, alpha-FeOOH was also observed. An unassigned Fe(III) oxycompound was seen in 1 M and 5 M solutions, whose structure is proposed to be close to that of delta-FeOOH. A different Fe(III) oxycompound was detected in 0.1 M NaOH. The evolution of the layer with changing electrode potential and with repeated cycling is discussed.
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收藏
页码：207 / 221
页数：15
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