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  • 1
    ISSN: 1612-1112
    Keywords: GC-FTIR-MS ; Radiolysis ; Dinitrobenzene carbon tetrachloride ; Dichlorocarbene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary Various volatile radiolytic products formed in the gamma-radiolysis ofortho-, meta- andpara- dinitrobenzene solutions in carbon tetrachloride are identified using a combined system of gas chromatography-Fourier transform infrared spectrometry-mass spectrometry. Tetrachloroethylene; hexachloro-ethane; isomeric chloronitrobenzenes; di-, tri-, tetra- and pentachlorobenzenes; chloro- and dichloro-isocyanatobenzene; and 1-chloro-2-(trichloromethyl)-benzene are among the most important products formed in the radiolysis.Ipso-substitution of one and both the nitro groups, as well as hydrogen atom by chlorine atom and trichloromethyl free radical is observed. It is postulated that isomeric chloro-isocyanatobenzenes are formed by the interaction of dichlorocarbene and isomeric dinitrobenzenes.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1612-1112
    Keywords: GC-FTIR-MS ; Nitrobenzene carbon tetrachloride radiolysis products ; Gamma-irradiation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary A number of volatile products formed in the gamma-radiolysis of nitrobenzene-carbon tetrachloride solution have been identified using a GC-FTIR-MS technique. The conditions for separation of the products have been described. HCl, COCl2, chlorobenzene, chloro- and dichloronitrobenzene, isomeric di-, tri- and tetrachlorobenzene, hexachloroethane, tetrachloroethylene, α,α,α-trichloromethylbenzene, chloro- and dichloroisocyanatobenzene, and other chloroderivatives are among the important products formed.Ipso-substitution of the nitro group as well as hydrogen atom by chlorine atom and CCl3 free radical is noticed. It is proposed that chloroisocyanatobenzene is formed as the result of interaction of dichlorocarbene and nitrobenzene.
    Type of Medium: Electronic Resource
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