Articles | Volume 8, issue 7
Atmos. Meas. Tech., 8, 2737–2748, 2015
https://doi.org/10.5194/amt-8-2737-2015
Atmos. Meas. Tech., 8, 2737–2748, 2015
https://doi.org/10.5194/amt-8-2737-2015

Research article 08 Jul 2015

Research article | 08 Jul 2015

Efficient photochemical generation of peroxycarboxylic nitric anhydrides with ultraviolet light-emitting diodes

N. D. Rider et al.

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Short summary
A photochemical source of peroxycarboxylic nitric anhydrides (PANs) in which a dialkyl ketone (acetone, diethyl-, di-isopropyl, or di-n-propyl ketone) in the presence of oxygen and nitric oxide is photodissociated by arrays of ultraviolet light-emitting diodes (UV-LEDs) is described. The source output was analyzed by gas chromatography and thermal dissociation cavity ring-down spectroscopy and modeled using the Master Chemical Mechanism.