Light-Induced Oxidation of Aqueous Chromium(III) in the Presence of Iron(III)

Oxidation of Cr(III) to toxic Cr(VI) by Mn(IV) or Mn(III) species has been identified as probably the only important oxidation pathway in soils, aquatic bodies, and atmospheric environments. We observed ready oxidation of Cr(III) in Fe(III) solutions in light at pH 3.2−4.4. Further kinetic study of...

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