Solid products of n2o5 uptake on a methane flame soot

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Abstract

Modern global models used for long-term prediction of the chemical composition of the Earth’s atmosphere require detailed information on the rate constants of numerous elementary chemical reactions. In addition, data on the composition of the reaction products is also of great importance. In this work, high-resolution mass spectrometry was used to identify the solid products of soot nitration by dinitrogen pentoxide (N2O5) during methane combustion. A high reactivity of N2O5 toward polycyclic aromatic hydrocarbons (CnHm class) present in the initial soot was established. It was shown that the solid nitration products include nitro derivatives of polycyclic aromatic compounds, aromatic acids, and their esters. In terms of composition and compound classes, the products of soot nitration by N2O5 are similar to those obtained in nitration by nitrogen dioxide (NO2).

About the authors

I. V. Sulimenkov

Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences

Moscow, Russia

V. V. Filatov

Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences

Moscow, Russia

V. S. Brusov

Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences

Moscow, Russia

E. V. Aparina

Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences

Moscow, Russia

V. V. Zelenov

Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences

Email: v.zelenov48@gmail.com
Moscow, Russia

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