Photo-tautomerization of acetaldehyde as a photochemical source of formic acid in the troposphere

The concentration of formic acid in Earth’s atmosphere is under-predicted by atmospheric models. Here the authors show that acetaldehyde photo-tautomerizes to vinyl alcohol under tropospheric conditions, with subsequent oxidation via OH radicals supplying up to 60% of total modeled formic acid produ...

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Autores principales: Miranda F. Shaw, Bálint Sztáray, Lisa K. Whalley, Dwayne E. Heard, Dylan B. Millet, Meredith J. T. Jordan, David L. Osborn, Scott H. Kable
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2018
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Acceso en línea:https://doaj.org/article/7f096c4e0fca4600b0291c13acfeec05
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Sumario:The concentration of formic acid in Earth’s atmosphere is under-predicted by atmospheric models. Here the authors show that acetaldehyde photo-tautomerizes to vinyl alcohol under tropospheric conditions, with subsequent oxidation via OH radicals supplying up to 60% of total modeled formic acid production over oceans.