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Oxidation of benzene by radiolytically produced OH radicals. [x rays]

Abstract

The radiolysis of N/sub 2/O saturated-aqueous solutions of benzene-/sup 14/C has been examined using radio-liquid chromatographic methods to follow the quantitative aspects of the reactions of hydroxycyclohexadienyl radicals. In the absence of a radical oxidant, at least five important products are produced. The total yield of 5.8 observed for the incorporation of benzene into products accounts for essentially all of the radicals initially produced from the water. Dimeric products predominate with a total yield of 4.1. Phenol is produced with a yield of only 0.8 indicating a disproportionation/combination ratio for hydroxycyclohexadienyl radicals of < = 0.4. In the presence of 2mM ferricyanide the hydroxycyclohexadienyl radicals are quantitatively oxidized to phenol with no trace (< 1%) remaining of dimeric or other high molecular weight products. The initial yield for phenol formation (6.0 molecules/100 eV) provides a measure for OH production in N/sub 2/O saturated aqueous solutions.
Authors:
Klein, G W; Schuler, R H [1] 
  1. Carnegie-Mellon Univ., Pittsburgh, Pa. (USA)
Publication Date:
Jan 01, 1978
Product Type:
Journal Article
Reference Number:
AIX-09-416870; EDB-79-056968
Resource Relation:
Journal Name: Radiat. Phys. Chem.; (United Kingdom); Journal Volume: 11:4
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; BENZENE; RADIOLYSIS; NITROUS OXIDE; AQUEOUS SOLUTIONS; CARBON 14; CHEMICAL REACTION KINETICS; GAMMA RADIATION; HYDROXYL RADICALS; OXIDATION; RADIOCHROMATOGRAPHY; TRACER TECHNIQUES; AROMATICS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CARBON ISOTOPES; CHALCOGENIDES; CHEMICAL RADIATION EFFECTS; CHEMICAL REACTIONS; CHEMISTRY; CHROMATOGRAPHY; DECOMPOSITION; DISPERSIONS; ELECTROMAGNETIC RADIATION; EVEN-EVEN NUCLEI; HYDROCARBONS; IONIZING RADIATIONS; ISOTOPE APPLICATIONS; ISOTOPES; KINETICS; LIGHT NUCLEI; MIXTURES; NITROGEN COMPOUNDS; NITROGEN OXIDES; NUCLEI; ORGANIC COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; RADIATION CHEMISTRY; RADIATION EFFECTS; RADIATIONS; RADICALS; RADIOISOTOPES; REACTION KINETICS; SEPARATION PROCESSES; SOLUTIONS; YEARS LIVING RADIOISOTOPES; 400600* - Radiation Chemistry
OSTI ID:
6332934
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: RPCHD
Submitting Site:
INIS
Size:
Pages: 167-171
Announcement Date:
Feb 01, 1979

Citation Formats

Klein, G W, and Schuler, R H. Oxidation of benzene by radiolytically produced OH radicals. [x rays]. United Kingdom: N. p., 1978. Web. doi:10.1016/0146-5724(78)90078-X.
Klein, G W, & Schuler, R H. Oxidation of benzene by radiolytically produced OH radicals. [x rays]. United Kingdom. doi:10.1016/0146-5724(78)90078-X.
Klein, G W, and Schuler, R H. 1978. "Oxidation of benzene by radiolytically produced OH radicals. [x rays]." United Kingdom. doi:10.1016/0146-5724(78)90078-X. https://www.osti.gov/servlets/purl/10.1016/0146-5724(78)90078-X.
@misc{etde_6332934,
title = {Oxidation of benzene by radiolytically produced OH radicals. [x rays]}
author = {Klein, G W, and Schuler, R H}
abstractNote = {The radiolysis of N/sub 2/O saturated-aqueous solutions of benzene-/sup 14/C has been examined using radio-liquid chromatographic methods to follow the quantitative aspects of the reactions of hydroxycyclohexadienyl radicals. In the absence of a radical oxidant, at least five important products are produced. The total yield of 5.8 observed for the incorporation of benzene into products accounts for essentially all of the radicals initially produced from the water. Dimeric products predominate with a total yield of 4.1. Phenol is produced with a yield of only 0.8 indicating a disproportionation/combination ratio for hydroxycyclohexadienyl radicals of < = 0.4. In the presence of 2mM ferricyanide the hydroxycyclohexadienyl radicals are quantitatively oxidized to phenol with no trace (< 1%) remaining of dimeric or other high molecular weight products. The initial yield for phenol formation (6.0 molecules/100 eV) provides a measure for OH production in N/sub 2/O saturated aqueous solutions.}
doi = {10.1016/0146-5724(78)90078-X}
journal = {Radiat. Phys. Chem.; (United Kingdom)}
volume = {11:4}
journal type = {AC}
place = {United Kingdom}
year = {1978}
month = {Jan}
}