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Hydroxymethanesulphonate

Kumari Sonali

Hydroxymethanesulphonate:

A study reveals hydroxymethanesulphonate, a secondary aerosol, forming in cold urban areas like Fairbanks, Alaska, reshaping understanding of aerosol chemistry in extreme conditions and its air quality impact.A secondary aerosol that forms from chemical reactions involving formaldehyde and sulphur dioxide in the presence of liquid water.Occurs when formaldehyde reacts with sulphite ions in aerosol particles.Requires liquid water within aerosol particles, even in extremely cold conditions (supercooled state).

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