Gasphasenbildung von Schwefliger Säure (H2SO3) in der Atmosphäre
Torsten Berndt,
Erik H. Hoffmann,
Andreas Tilgner
et al.
Abstract:Sulfurous acid (H2SO3) is known to be thermodynamically instable decomposing into SO2 and H2O. All attempts to detect this elusive acid in solution failed up to now. Reported H2SO3 formation from an experiment carried out in a mass spectrometer as well as results from theoretical calculations, however, indicated a possible kinetic stability in the gas phase. Here, it is shown experimentally that H2SO3 is formed in the OH radical‐initiated gas‐phase oxidation of methanesulfinic acid (CH3S(O)OH) at 295 ± 0.5 K a… Show more
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