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Photoinduced Reductive Dissolution of α-Fe_2O_3 by Bisulfite

Faust, Bruce C. and Hoffmann, Michael R. (1986) Photoinduced Reductive Dissolution of α-Fe_2O_3 by Bisulfite. Environmental Science and Technology, 20 (9). pp. 943-948. ISSN 0013-936X. doi:10.1021/es00151a015.

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The kinetics of the photoinduced reductive dissolution of ɑ-Fe_2O_3 by bisulfite in anoxic colloidal suspensions have been investigated. Quantum yields, Φ_(Fe(II)), as a function of wavelength for Fe(II)_(aq) production were obtained. Photochemical reactivity has been discussed in terms of the excitation of the O^(2-) to Fe^(3+) charge-transfer band of α-Fe_2O_3 and in terms of photoassisted charge-transfer reactions of Fe(III)-S(IV) surficial complexes.

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Hoffmann, Michael R.0000-0001-6495-1946
Alternate Title:Photoinduced reductive dissolution of .alpha.-iron oxide (.alpha.-Fe2O3) by bisulfite
Additional Information:© 1986 American Chemical Society. Received for review October 11, 1984. Revised manuscript received August 6,1985. Accepted May 5, 1986. We extend our appreciation to M. Cimolino for advice on the preparation of Reinecke's salt (K^+ form), to S. H. R. Davies for providing samples of goethite and lepidocrocite, and to D. W. Bahnemann for helpful discussions and useful criticism. This work was financially supported by the U.S. Environmental Protection Agency under Contracts R809198-01, R808086-01, and R808086-02-0. This paper was taken in part from the Ph.D. thesis of B.C.
Funding AgencyGrant Number
Environmental Protection Agency (EPA)R809198-01
Environmental Protection Agency (EPA)R808086-01
Environmental Protection Agency (EPA)R808086-02-0
Issue or Number:9
Record Number:CaltechAUTHORS:20150818-100952784
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Official Citation:Photoinduced reductive dissolution of .alpha.-iron oxide (.alpha.-Fe2O3) by bisulfite Bruce C. Faust and Michael R. Hoffmann Environmental Science & Technology 1986 20 (9), 943-948 DOI: 10.1021/es00151a015
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:59684
Deposited By: Ruth Sustaita
Deposited On:18 Aug 2015 18:15
Last Modified:10 Nov 2021 22:23

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