Direct comparison of cellulose and quartz fiber filters for sampling submicrometer aerosols in the marine boundary layer |
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| Affiliation: | 1. Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria 0002, South Africa;2. Joint Mass Spectrometry Centre, Cooperation Group “Comprehensive Molecular Analytics”, Helmholtz, Zentrum Muenchen, D-85764 Neuherberg, Germany;3. Joint Mass Spectrometry Centre, Institute of Chemistry, University of Rostock, D-18051 Rostock, Germany;1. Department of Geology and Geophysics, University of Utah, 115 S 1460 E, Salt Lake City, UT, 84112, USA;2. Department of Atmospheric Sciences, University of Utah, Salt Lake City, UT, USA;3. Global Change and Sustainability Center, University of Utah, Salt Lake City, UT, USA;1. Cooperative Institute for Research in the Atmosphere, Colorado State University, Fort Collins, CO 80523-1375, United States;2. AECOM, 1606 Somerville Dr., Fort Collins, CO 80526, United States;3. National Park Service, Air Resources Division, Lakewood, CO 80235, United States;4. Department of Atmospheric Science, Colorado State University, Fort Collins, CO 80523-1371, United States;1. Japan Agency for Marine-Earth Science and Technology, 3173-25 Showa-machi, Kanazawa-ku, Yokohama, Kanagawa, Japan;2. National Research Institute of Far Seas Fisheries, Fisheries Research Agency, 2-12-4 Fukuura, Kanazawa-ku, Yokohama, Kanagawa, Japan;3. Hachinohe Station, Tohoku National Fisheries Research Institute, Fisheries Research Agency, 25-259 Shimomekurakubo, Same-cho, Hachinohe, Aomori, Japan;4. Meteorological Research Institute, Japan Meteorological Agency, 1-1 Nagamine, Tsukuba, Ibaraki, Japan;5. School of Marine Science and Technology, Tokai University, 3-20-1 Orido, Shimizu-ku, Shizuoka, Shizuoka, Japan;1. Nano Science and Synthetic Leaf Laboratory, Department Chemistry, IIEST, Shibpur, Botanic Garden, Howrah 711103, India;2. Department Chemistry, Sister Nibedita Govt. General Degree College for Girls, Hastings House, Alipore, Kolkata 700027, India;3. Nano Science and Synthetic Leaf Laboratory, CHST, IIEST, Shibpur, Botanic Garden, Howrah 711103, India |
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| Abstract: | Paired high-volume aerosol samples of 20–60-h duration were collected using identical Sierra Model 235 cascade impactors during a July–September 1991 research cruise in the Atlantic Ocean. Whatman 41 cellulose fiber was used for the final filter in one impactor and a quartz fiber filter was used for the final filter in the other impactor during each of 17 sampling intervals. A paired t-test of measured nonseasalt sulfate (NSS) mass concentrations indicates that the retention efficiencies of the two materials for this primarily submicrometer species are indistinguishable under the conditions of our sampling. A paired t-test of ammonium concentrations indicates slightly higher concentrations on Whatman 41, suggesting, perhaps, a positive artifact due to sorption of ammonia vapor. |
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