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<article language="en">
	<journal>
		<journal_title>Atmospheric Chemistry and Physics Discussions</journal_title>
		<journal_url>www.atmos-chem-phys-discuss.net</journal_url>
		<issn>1680-7367</issn>
		<eissn>1680-7375</eissn>
		<volume_number>9</volume_number>
		<issue_number>2</issue_number>
		<publication_year>2009</publication_year>
	</journal>
	<doi>10.5194/acpd-9-8071-2009</doi>
	<article_url>http://www.atmos-chem-phys-discuss.net/9/8071/2009/</article_url>
	<abstract_html>http://www.atmos-chem-phys-discuss.net/9/8071/2009/acpd-9-8071-2009.html</abstract_html>
	<fulltext_pdf>http://www.atmos-chem-phys-discuss.net/9/8071/2009/acpd-9-8071-2009.pdf</fulltext_pdf>
	<start_page>8071</start_page>
	<end_page>8099</end_page>
	<publication_date>2009-03-26</publication_date>
	<article_title content_type="html">n-Aldehydes (C&lt;sub&gt;6&lt;/sub&gt;–C&lt;sub&gt;10&lt;/sub&gt;) in snow samples collected at the high alpine research station Jungfraujoch during CLACE 5</article_title>
	<authors>
		<author numeration="1" affiliations="1">
			<name>K. Sieg</name>
		</author>
		<author numeration="2" affiliations="1">
			<name>E. Starokozhev</name>
		</author>
		<author numeration="3" affiliations="2">
			<name>E. Fries</name>
		</author>
		<author numeration="4" affiliations="3">
			<name>S. Sala</name>
		</author>
		<author numeration="5" affiliations="1">
			<name>W. Püttmann</name>
		</author>
	</authors>
	<affiliations>
		<affiliation numeration="1" content_type="html">Institute of Atmospheric and Environmental Science, Dept. of Analytical Environmental Chemistry, J. W. Goethe-University Frankfurt/Main, Germany</affiliation>
		<affiliation numeration="2" content_type="html">Institute of Environmental Systems Research, University of Osnabrück, Germany</affiliation>
		<affiliation numeration="3" content_type="html">Institute of Atmospheric and Environmental Science, Dept. of Experimental Atmospheric Research, J. W. Goethe-University Frankfurt/Main, Germany</affiliation>
	</affiliations>
	<abstract content_type="html">Samples of freshly fallen snow were collected at the high alpine research
station Jungfraujoch, Switzerland, during the Cloud and Aerosol
Characterization Experiments (CLACE) 5 in February and March 2006. Sampling
was carried out on the Sphinx platform. Headspace-solid-phase-dynamic
extraction (HS-SPDE) combined with gas chromatography/mass spectrometry
(GC/MS) was used to quantify C&lt;sub&gt;6&lt;/sub&gt;–C&lt;sub&gt;10&lt;/sub&gt; n-aldehydes in the snow
samples. The most abundant n-aldehyde was n-hexanal (median concentration
1.324 &amp;mu;g L&lt;sup&gt;&amp;minus;1&lt;/sup&gt;) followed by n-nonanal, n-decanal, n-octanal and
n-heptanal (median concentrations 1.239, 0.863, 0.460, and 0.304 &amp;mu;g L&lt;sup&gt;&amp;minus;1&lt;/sup&gt;,
respectively). A wide range of concentrations was found among
individual snow samples, even for samples taken at the same time. Higher
median concentrations of all n-aldehydes were observed when air masses
reached Jungfraujoch from the north-northwest in comparison to air masses
arriving from the southeast-southwest. Results suggest that the n-aldehydes
detected most likely are of direct and indirect biogenic origin, and that
they entered the snow through the particle phase.</abstract>
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