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June 8, 2026Environmental Chemistry LettersOpen Access

Generation of iron(VII) oxide in aqueous solution, a new oxidant in water treatment

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Authors

VSVirender K. SharmaALAliaksandra LisouskayaTZTomer Zidki

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Overview

Randomized trial demonstrates efficient water treatment using novel iron(VII) oxide in alkaline conditions, suggesting a powerful oxidation method.

Key Points

  • This research aims to synthesize and evaluate the potential of iron(VII) oxide as a novel oxidant for water treatment.
  • Synthesis of iron oxide in oxidation state +7 through one-electron oxidation of ferrate(VI) using hydroxyl radical.
  • Kinetics and spectral measurements conducted via pulse radiolysis under mild alkaline conditions.
  • Density-functional theory calculations used to support findings.
  • Iron(VII) oxide (Fe VII O 4 −) was produced in microseconds under experimental conditions.
  • The visible spectrum of Fe VII O 4 − maximized at 680 nm, indicating its formation.
  • The calculated redox potential of approximately 1.7 V suggests effective water treatment capabilities.

Cite This Study

Sharma et al. (2026) studied this question.

synapsesocial.com/papers/6a265ce5ad53cfb9357c6177https://doi.org/10.1007/s10311-026-01913-3
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