Sampling of atmospheric nitrogen dioxide using triethanolamine: Interference from peroxyacetyl nitrate |
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| Institution: | 1. Department of Chemistry, Tarbiat Modares University, PO Box 14115-175, Tehran, Iran;2. Department of Inorganic Chemistry, Chemistry and Chemical Engineering Research Center of Iran, PO Box 14335-186, Tehran, Iran;1. Division of Biotechnology, Safety, Environment, and Life Science Institute, College of Environmental and Bioresource Sciences, Chonbuk National University, Iksan 570-752, Republic of Korea;2. Daegu Center, Korea Basic Science Institute, Daegu 41566, Republic of Korea;3. Pohang Accelerator Laboratory (PAL), Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea;1. Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu, Gifu 501-1193, Japan;2. Research Institute for Chemical Process Technology, National Institute of Advanced Industrial Science and Technology (AIST), AIST Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan;3. Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu, Gifu 501-1193, Japan;4. Life Science Research Center, Gifu University, 1-1 Yanagido, Gifu, Gifu 501-1193, Japan;1. USDA-ARS, PO Drawer 10, Bushland, TX 79012, USA;2. Centro Regional de Estudios del Agua (CREA), Universidad de Castilla-La Mancha, Ctra. de las Peñas, km 3.2, 02071 Albacete, Spain;3. Texas A&M AgriLife Research and Extension, 6500 Amarillo Blvd W Amarillo, TX 79106, USA;1. College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang, Hubei 443002, China;2. Material Analysis and Testing Center, China Three Gorges University, Yichang, Hubei 443002, China |
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| Abstract: | Peroxyacetyl nitrate (PAN), a pollutant ubiquitous in outdoor air, is quantitatively retained on cartridges coated with triethanolamine (TEA) and is determined as nitrite by liquid chromatography with u.v. detection. PAN is therefore a severe interferent in the widely used method involving passive and active sampling on TEA-coated substrates to measure nitrogen dioxide in indoor and outdoor air. |
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