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Evaluation of the lifetime of excited molecules of formaldehyde formed in the reaction of gas-phase low-temperature oxidation of acetaldehyde

  • Physical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    Quenching of chemiluminescence by molecular oxygen was detected in reactions of low-temperature oxidation of propionaldehyde and acetaldehyde, diethyl ether, hexane, and in the oxidative decomposition of di-tert-butyl peroxide. In these reactions, the luminescing particles are excited formaldehyde molecules.

  2. 2.

    From an analysis of the dependence of the chemiluminescence intensity on the oxygen concentration, the lower limit of the lifetime of excited molecules of formaldehyde was estimated, τ > (0.7–1.3) · 10−6 sec.

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Authors and Affiliations

  1. Institute of Chemical Physics, Academy of Sciences, USSR

    L. M. Postnikov, V. Ya. Shlyapintokh & M. N. Shumilina

Authors
  1. L. M. Postnikov
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  2. V. Ya. Shlyapintokh
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  3. M. N. Shumilina
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 1936–1941, November 1965

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Postnikov, L.M., Shlyapintokh, V.Y. & Shumilina, M.N. Evaluation of the lifetime of excited molecules of formaldehyde formed in the reaction of gas-phase low-temperature oxidation of acetaldehyde. Russ Chem Bull 14, 1905–1909 (1965). https://doi.org/10.1007/BF00845879

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  • DOI: https://doi.org/10.1007/BF00845879

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