Reaction Kinetics and Catalysis Letters

, Volume 30, Issue 2, pp 391–394 | Cite as

ESR studies of free radicals formed during hydrogen and methane oxidation in contact with chalcopyrite

  • V. R. Bagdasaryan
  • L. A. Khachatryan
  • O. M. Niazyan
  • A. A. Mantashyan


ESR studies have revealed that in the complex conjugated transformations of chalcopyrite under the effect of gasphase chain oxidation of methane and hydrogen, free radicals are formed. These radicals are sulfur-containing paramagnetic particles.


Oxidation Hydrogen Physical Chemistry Methane Catalysis 
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Методом ЭПР обнаружены радикалы в сложном процессе сопряженного превращения халькопирита под воздействием цепных газофазных реакций окисления метана и водорода. Показано, что ими являются серосодержащие парамагнитные частицы.


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  1. 1.
    A.A. Mantashyan, O.M. Niazyan: Arm. Khim. Zh.,34, 523 (1981)Google Scholar
  2. 2.
    A.Z. Karapetyan, O.M. Niazyan, A.A. Mantashyan: Arm. Khim. Zh.,37, 3 (1984)Google Scholar
  3. 3.
    A.Z. Karapetyan, O.M. Niazyan, A.A. Mantashyan: Arm. Khim. Zh.,37, 73 (1984)Google Scholar
  4. 4.
    A.B. Nalbandyan, A.A. Mantashyan: Elementary Processes in Slow Gas-Phase Reaction, Akad. Nauk Arm. SSR, Yerevan 1975Google Scholar
  5. 5.
    A.A. Mantashyan, L.A. Khachatryan, O.M. Niazyan: Zh. Fiz. Khim.,51, 341 (1977)Google Scholar
  6. 6.
    A.A. Mantashyan, M.A. Beibutyan, A.S. Saakyan, A.B. Nalbandyan: Dokl. Akad. Nauk,202, 120 (1972)Google Scholar
  7. 7.
    H.E. Radford, F.O. Rice: J. Chem. Phys.,33, 774 (1960)Google Scholar
  8. 8.
    Y. Kurita, W. Gordy: J. Chem. Phys.,36, 1258 (1962)Google Scholar
  9. 9.
    W.G. Hodgson, S.A. Buckler, G. Peters: J. Am. Chem. Soc.,85, 543 (1963)Google Scholar
  10. 10.
    D.J.E. Ingram, M.C.R. Symons: J. Chem. Soc.,6, 2437 (1957)Google Scholar
  11. 11.
    O. Gardner, G. Fraenkel: J. Chem. Soc.,78, 3279 (1956)Google Scholar
  12. 12.
    Heavy Metal Sulfide Melts, Ed. by A.I. Manokhin, p. 16, Nauka, Moskva 1982.Google Scholar

Copyright information

© Akadémiai Kiadó 1986

Authors and Affiliations

  • V. R. Bagdasaryan
    • 1
  • L. A. Khachatryan
    • 1
  • O. M. Niazyan
    • 1
  • A. A. Mantashyan
    • 1
  1. 1.Institute of Chemical PhysicsYerevanUSSR

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