Studies of Ruthenium(IV) and its Reduction Products in Perchlorate Solutions

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Ion exchange and membrane studies of Ru(IV) in perchloric acid indicate that the charge per atom is +1, the charge per species is +4, and that Ru(IV) is tetrameric. Coulometric, cyclic voltametric and spectrophotometric studies indicate that tetrameric Ru(IV) can be reduced reversibly by two, one-electron processes to species with formal oxidation states of 3.75 and 3.5. Ru(3.5) is reduced reversibly to a transient species of Ru(III) which rapidly converts to a stable polymeric species of Ru(III) that can be reoxidized to Ru(IV) only irreversibly. Stable Ru(III) can be electrochemically reduced to Ru(II).

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Wallace, R.M. August 29, 2001.

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Ion exchange and membrane studies of Ru(IV) in perchloric acid indicate that the charge per atom is +1, the charge per species is +4, and that Ru(IV) is tetrameric. Coulometric, cyclic voltametric and spectrophotometric studies indicate that tetrameric Ru(IV) can be reduced reversibly by two, one-electron processes to species with formal oxidation states of 3.75 and 3.5. Ru(3.5) is reduced reversibly to a transient species of Ru(III) which rapidly converts to a stable polymeric species of Ru(III) that can be reoxidized to Ru(IV) only irreversibly. Stable Ru(III) can be electrochemically reduced to Ru(II).

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  • Journal Name: Journal of the American Chemical Society

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  • Report No.: DP-MS-68-69
  • Office of Scientific & Technical Information Report Number: 786311
  • Archival Resource Key: ark:/67531/metadc721675

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Office of Scientific & Technical Information Technical Reports

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  • August 29, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • May 5, 2016, 2:48 p.m.

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Wallace, R.M. Studies of Ruthenium(IV) and its Reduction Products in Perchlorate Solutions, article, August 29, 2001; South Carolina. (digital.library.unt.edu/ark:/67531/metadc721675/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.