A study was made of the manner in which sulfur dioxide attacks iron and ferrous alloys. A polarographic method was used to follow the changes in the sulfur dioxide concentration. Tests were made on one pure iron and seven low alloy steels exposed to sulfur dioxide over 12-hour periods. Extensive data are reported on the rate of consumption of sulfur dioxide by the various test samples.

A corrosion mechanism involving the reduction of sulfurous acid by iron to give the sulfide is discussed. 4.3.2

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Copyright 1958 by the National Association of Corrosion Engineers.
1958
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