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<front>
<journal-meta>
<journal-id journal-id-type="publisher">ACPD</journal-id>
<journal-title-group>
<journal-title>Atmospheric Chemistry and Physics Discussions</journal-title>
<abbrev-journal-title abbrev-type="publisher">ACPD</abbrev-journal-title>
</journal-title-group>
<issn pub-type="epub">1680-7375</issn>
<publisher><publisher-name>Copernicus GmbH</publisher-name>
<publisher-loc>Göttingen, Germany</publisher-loc>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.5194/acpd-11-23619-2011</article-id>
<title-group>
<article-title>Quantification of hydroxyacetone and glycolaldehyde using chemical ionization mass spectrometry</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Spencer</surname>
<given-names>K. M.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Beaver</surname>
<given-names>M. R.</given-names>
</name>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Clair</surname>
<given-names>J. M. St.</given-names>
</name>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Crounse</surname>
<given-names>J. D.</given-names>
</name>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Paulot</surname>
<given-names>F.</given-names>
</name>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Wennberg</surname>
<given-names>P. O.</given-names>
</name>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
</contrib-group><aff id="aff1">
<label>1</label>
<addr-line>Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, USA</addr-line>
</aff>
<aff id="aff2">
<label>2</label>
<addr-line>Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, USA</addr-line>
</aff>
<aff id="aff3">
<label>3</label>
<addr-line>Division of Engineering and Applied Science, California Institute of Technology, Pasadena, CA, USA</addr-line>
</aff>
<pub-date pub-type="epub">
<day>22</day>
<month>08</month>
<year>2011</year>
</pub-date>
<volume>11</volume>
<issue>8</issue>
<fpage>23619</fpage>
<lpage>23653</lpage>
<permissions>
<license xlink:type="simple">
<license-p>This is an open-access article ditributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.</license-p>
</license>
</permissions>
<self-uri xlink:href="http://www.atmos-chem-phys-discuss.net/11/23619/2011/acpd-11-23619-2011.html">This article is available from http://www.atmos-chem-phys-discuss.net/11/23619/2011/acpd-11-23619-2011.html</self-uri>
<self-uri xlink:href="http://www.atmos-chem-phys-discuss.net/11/23619/2011/acpd-11-23619-2011.pdf">The full text article is available as a PDF file from http://www.atmos-chem-phys-discuss.net/11/23619/2011/acpd-11-23619-2011.pdf</self-uri>
<abstract>
<p>Chemical ionization mass spectrometry (CIMS) enables online, fast, in situ
detection and quantification of hydroxyacetone and glycolaldehyde. Two
different CIMS approaches are demonstrated employing the strengths of single
quadrupole mass spectrometry and triple quadrupole (tandem) mass
spectrometry. Both methods are capable of the measurement of hydroxyacetone,
an analyte with minimal isobaric interferences. Tandem mass spectrometry
provides direct separation of the isobaric compounds glycolaldehyde and
acetic acid using distinct, collision-induced dissociation daughter ions.
Measurement of hydroxyacetone and glycolaldehyde by these methods was
demonstrated during the ARCTAS-CARB 2008 campaign and the BEARPEX 2009
campaign. Enhancement ratios of these compounds in ambient biomass burning
plumes are reported for the ARCTAS-CARB campaign. BEARPEX observations are
compared to simple photochemical box model predictions of biogenic volatile
organic compound oxidation at the site.</p>
</abstract>
<counts><page-count count="35"/></counts>
</article-meta>
</front>
<body/>
<back>
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