Real time in situ detection of organic nitrates in atmospheric aerosols

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A new field instrument is described that quantifies total particle phase organic nitrates. The instrument is based on the thermal dissociation laser induced fluorescence (TD-LIF) method that thermally converts nitrates to NO2 which is then detected by LIF. This instrument is unique in its ability to provide fast sensitive measurements of particle phase organic nitrates, without interference from inorganic nitrate. Here we use it to quantify organic nitrates in SOA generated from high-NOx photooxidation of limonene, a-pinene, D-3-carene, and tridecane. In these experiments the organic nitrate moiety is observed to be 6-15percent of the total SOA mass, depending on the ... continued below

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Rollins, Andrew W.; Smith, Jared D.; Wilson, Kevin R. & Cohen, Ronald C. June 11, 2010.

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A new field instrument is described that quantifies total particle phase organic nitrates. The instrument is based on the thermal dissociation laser induced fluorescence (TD-LIF) method that thermally converts nitrates to NO2 which is then detected by LIF. This instrument is unique in its ability to provide fast sensitive measurements of particle phase organic nitrates, without interference from inorganic nitrate. Here we use it to quantify organic nitrates in SOA generated from high-NOx photooxidation of limonene, a-pinene, D-3-carene, and tridecane. In these experiments the organic nitrate moiety is observed to be 6-15percent of the total SOA mass, depending on the organic precursor.

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5540

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  • Journal Name: Environmental Science and Technology; Journal Volume: 44; Journal Issue: 14

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  • Report No.: LBNL-4352E
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.1021/es100926x | External Link
  • Office of Scientific & Technical Information Report Number: 1009836
  • Archival Resource Key: ark:/67531/metadc833164

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Office of Scientific & Technical Information Technical Reports

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  • June 11, 2010

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  • May 19, 2016, 3:16 p.m.

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  • July 26, 2016, 5:46 p.m.

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Rollins, Andrew W.; Smith, Jared D.; Wilson, Kevin R. & Cohen, Ronald C. Real time in situ detection of organic nitrates in atmospheric aerosols, article, June 11, 2010; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc833164/: accessed July 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.