Geochemistry International

, Volume 52, Issue 9, pp 767–772 | Cite as

Stability conditions of polycyclic aromatic hydrocarbons at high pressures and temperatures

  • A. D. ChanyshevEmail author
  • K. D. Litasov
  • A. F. Shatskiy
  • J. Furukawa
  • E. Ohtani


The first results of study of stability of diverse polycyclic aromatic hydrocarbons at around 7 GPa and 773–1073 K are reported. Experiments were carried out in hydraulic multi-anvil presses. The run products after quenching were analyzed using a method of matrix-assisted laser desorption-ionization (MALDI). The formation of polymers of starting matters was determined at 7 GPa and 773–883 K. The polymers are characterized by atomic masses up to 5000 Da, that are multiple by masses of starting matters. At higher temperatures (873–1073 K), the selected PAHs and their polymers become unstable. The decomposition temperature of PAHs and their polymers exclude their stability under Earth’s mantle conditions. The studies could be of great significance for the low-temperature near-surface geodynamics of small and large planetary bodies, which supposedly contain hydrocarbon compounds.

Key words

polycyclic aromatic hydrocarbons high pressures matrix-assisted laser desorption-ionization 


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Copyright information

© Pleiades Publishing, Ltd. 2014

Authors and Affiliations

  • A. D. Chanyshev
    • 1
    • 2
    Email author
  • K. D. Litasov
    • 1
    • 2
  • A. F. Shatskiy
    • 1
    • 2
  • J. Furukawa
    • 3
  • E. Ohtani
    • 3
  1. 1.Novosibirsk State UniversityNovosibirskRussia
  2. 2.V.S. Sobolev Institute of Geology and MineralogySiberian Branch of the Russian Academy of SciencesNovosibirskRussia
  3. 3.Tohoku UniversitySendaiJapan

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