There’s a sweet smell in the air after it rains, whether it’s a spring shower or a summer storm. This week on Reactions, we explain the chemistry of petrichor, the smell of rain.
Sources:
- The smell of rain: how CSIRO invented a new word
- FATTY ACIDS FROM EXPOSED ROCK SURFACES*
- palmitic acid
- Genesis of petrichor
- Petrichor and Plant Growth
- What Makes Rain Smell So Good?
- Geosmin, an Earthy-Smelling Substance Isolated from Actinomycetes
- Streptomyces as a source of Geosmin and 2-methylisoborneol associated taste and odour episodes in drinking water reservoirs
- Odor sensitivity to geosmin enantiomers
- The Chemical Compounds Behind The Smell Of Rain
- Rainfall can release aerosols, study finds
- Aerosol generation by raindrop impact on soil
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