Disulfate Ion as an Intermediate to Sulfuric Acid in Acid Rain Formation
- 14 August 1987
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 237 (4816) , 756-758
- https://doi.org/10.1126/science.237.4816.756
Abstract
The oxidation of the bisulfite ion by dissolved oxygen to produce sulfate ion involves the formation of a previously undetected intermediate. This intermediate has a fairly strong Raman band at 1090 wave numbers and a weak Raman band at 740 wave numbers, both of which are probably due to sulfur-oxygen stretches. The intermediate is proposed to be the disulfate ion S2O72-, which hydrolyzes into H+ and either SO42- or HSO42- with a half-life of about 52 seconds at 25°C.Keywords
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