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Published July 28, 2022 | public
Journal Article

Comment on "Liquid–Gas Interface of Iron Aqueous Solutions and Fenton Reagents"

Abstract

A recent Letter in this Journal (Gladich et al. J. Phys. Chem. Lett. 13, 2994–3001) reported that photoelectron spectroscopy could not detect any products on the surface of aqueous Fe²⁺ jets dosed with gaseous hydrogen peroxide. The Letter however concluded that Fe(aq)²⁺ ions react with H₂O₂(g) at the water–vapor interface to produce the same Fe³⁺ + HO• products as their reaction with H₂O₂(aq) in bulk water. We argue that this conclusion is untenable because nothing can be asserted about undetected species.

Additional Information

© 2022 American Chemical Society. Received 6 April 2022. Accepted 13 July 2022. Published online 18 July 2022. The authors declare no competing financial interest.

Additional details

Created:
August 22, 2023
Modified:
October 24, 2023