Hydrogen peroxide forms spontaneously in water (bulk, film, or microdroplet) via reduction of dissolved oxygen at solid-water interface
arxiv(2024)
摘要
Zare and co-workers have recently claimed that hydrogen peroxide is
spontaneously generated on the air-water interface of sprayed microdroplets,
i.e., that H2O2 forms without an external energy source or co-reactant or
catalyst. Specifically, they find that the H2O2(aq) concentration in sprayed
microdroplets increases by a factor of 3.5 (or 2.5) as the spray chamber's
relative humidity (RH) is changed from 15
Building on these results, they imply causation for the seasonality of viral
infections arising from the RH-dependent H2O2 generation in environmental
microdroplets. Here, we present an alternative explanation for their
observations.
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