Radiolytic and electron-transfer reactions in supercritical CO{sub 2}

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Using supercritical fluids as solvents is useful for both practical and theoretical reasons. It has been proposed to use supercritical CO{sub 2} as a solvent for synthesis because it eliminates the air pollution arising from other solvents. The properties of supercritical fluids can be easily varied with only modest changes in temperature and density, so they provide a way of testing theories of chemical reactions. It has also been proposed to use supercritical fluids for the treatment of hazardous mixed waste. For these reasons the authors have studied the production of radiolytic species in supercritical CO{sub 2} and have measured ... continued below

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5 p.

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Bartels, D. M.; Dimitrijevic, N. M.; Jonah, C. D. & Takahashi, K. January 19, 2000.

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  • Argonne National Laboratory
    Publisher Info: Argonne National Laboratory, Argonne, IL (United States)
    Place of Publication: Argonne, Illinois

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Description

Using supercritical fluids as solvents is useful for both practical and theoretical reasons. It has been proposed to use supercritical CO{sub 2} as a solvent for synthesis because it eliminates the air pollution arising from other solvents. The properties of supercritical fluids can be easily varied with only modest changes in temperature and density, so they provide a way of testing theories of chemical reactions. It has also been proposed to use supercritical fluids for the treatment of hazardous mixed waste. For these reasons the authors have studied the production of radiolytic species in supercritical CO{sub 2} and have measured their reactivity as a function of density. They have shown that the C{sub 2}O{sub 4}{sup +} is formed. They also have shown that the electron transfer reactions of dimethylaniline to C{sub 2}O{sub 4}{sup +} and CO{sub 2}(e{sup {minus}}) to benzoquinone are diffusion controlled over a considerable density range.

Physical Description

5 p.

Notes

INIS; OSTI as DE00751849

Medium: P; Size: 5 pages

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  • International Symposium on prospects for Application of Radiation Towards the 21st Century, Tokyo (JP), 03/13/1999--03/17/1999

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  • Report No.: ANL/CHM/CP-99949
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 751849
  • Archival Resource Key: ark:/67531/metadc710186

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Office of Scientific & Technical Information Technical Reports

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Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 19, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 11, 2017, 12:45 p.m.

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Bartels, D. M.; Dimitrijevic, N. M.; Jonah, C. D. & Takahashi, K. Radiolytic and electron-transfer reactions in supercritical CO{sub 2}, article, January 19, 2000; Argonne, Illinois. (digital.library.unt.edu/ark:/67531/metadc710186/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.