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Experimental Detection of the H2NO3 Radical

Authors

  • Fulvio Cacace Prof. Dr.,

    1. Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università di Roma “La Sapienza”, P.le A. Moro 5, 00185 Roma, Italy, Fax: (+39)06-49-913-602
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  • Giulia de Petris Prof. Dr.,

    1. Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università di Roma “La Sapienza”, P.le A. Moro 5, 00185 Roma, Italy, Fax: (+39)06-49-913-602
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  • Anna Troiani Dr.

    1. Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università di Roma “La Sapienza”, P.le A. Moro 5, 00185 Roma, Italy, Fax: (+39)06-49-913-602
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Abstract

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It's in the air. The authors detected by neutralization–reionization mass spectrometry the nitrogen hydroxide oxide 3, which is relevant to atmospheric chemistry and a key intermediate in the NO32− reduction, as a gaseous radical species with a lifetime of 1 μs. The charged precursor utilized was the high-energy isomer 2 from the protonation of HNO3, whereas the more stable isomer 1 dissociates upon neutralization.

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