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Reactivity of E-butenedial with the major atmospheric oxidants

The degradation reactions of E-butenedial with OH and NO3 radicals and Cl atoms were investigated using a relative rate method. The experiments were carried out at ∼298 ± 1 K and an atmospheric pressure of N2 or synthetic air as the bath gas. Three different sampling/detection methods have been used...

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Published in:	Atmospheric environment (1994) 2013-05, Vol.70, p.351-360
Main Authors:	Martín, Pilar, Cabañas, Beatriz, Colmenar, Inmaculada, Salgado, María Sagrario, Villanueva, Florentina, Tapia, Araceli
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Language:	English
Subjects:	Atmospheric implications Atmospheric oxidants Butenedial Chemical composition and interactions. Ionic interactions and processes Earth, ocean, space Exact sciences and technology External geophysics Kinetic study Meteorology Relative method
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container_title	Atmospheric environment (1994)
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creator	Martín, Pilar Cabañas, Beatriz Colmenar, Inmaculada Salgado, María Sagrario Villanueva, Florentina Tapia, Araceli
description	The degradation reactions of E-butenedial with OH and NO3 radicals and Cl atoms were investigated using a relative rate method. The experiments were carried out at ∼298 ± 1 K and an atmospheric pressure of N2 or synthetic air as the bath gas. Three different sampling/detection methods have been used for the study with Cl, OH and NO3: (1) Solid-Phase Microextraction and Gas Chromatography with Flame Ionization Detection (SPME/GC-FID), (2) ‘in situ’ with long-path Fourier Transform Infrared Spectroscopy (FTIR), and (3) Tenax solid adsorbent and Gas Chromatography with Mass Spectrometry (Tenax/GC–MS) as the detection system. The measured rate coefficients for E-butenedial (cm3 molecule−1 s−1) are as follows: (1.35 ± 0.29) × 10−10 for the Cl atom, (3.45 ± 0.34) × 10−11 for the OH radical and (1.70 ± 0.83) × 10−15 for the NO3 radical. For the reaction of Cl and NO3 these are the first rate coefficient data to be reported and in the case of OH the literature value is confirmed. This study confirms that the chemical structure of the organic substances does not influence on the reactivity with Cl, has a significant effect for OH reactions and is very important for NO3 reactions. Calculated atmospheric lifetimes are in the order of days for Cl and NO3 reactions and hours for OH. In the case of Cl atoms, a lifetime of 20 h is estimated in the early morning hours in urban coastal air. These shorter lifetimes imply that the degradation reactions of E-butenedial are of great importance because their reaction products are secondary pollutants that are involved in processes such as the formation of photochemical smog or peroxyacyl nitrates (PANs). [Display omitted] ► The degradation reactions of E-butenedial with OH and NO3 radicals and Cl atoms were investigated. ► For the reaction of Cl and NO3, these are the first data for rate coefficients. ► The results show that the chemical structure of the organic compound is the decisive factor for NO3 reactions.
doi_str_mv	10.1016/j.atmosenv.2013.01.041
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The experiments were carried out at ∼298 ± 1 K and an atmospheric pressure of N2 or synthetic air as the bath gas. Three different sampling/detection methods have been used for the study with Cl, OH and NO3: (1) Solid-Phase Microextraction and Gas Chromatography with Flame Ionization Detection (SPME/GC-FID), (2) ‘in situ’ with long-path Fourier Transform Infrared Spectroscopy (FTIR), and (3) Tenax solid adsorbent and Gas Chromatography with Mass Spectrometry (Tenax/GC–MS) as the detection system. The measured rate coefficients for E-butenedial (cm3 molecule−1 s−1) are as follows: (1.35 ± 0.29) × 10−10 for the Cl atom, (3.45 ± 0.34) × 10−11 for the OH radical and (1.70 ± 0.83) × 10−15 for the NO3 radical. For the reaction of Cl and NO3 these are the first rate coefficient data to be reported and in the case of OH the literature value is confirmed. This study confirms that the chemical structure of the organic substances does not influence on the reactivity with Cl, has a significant effect for OH reactions and is very important for NO3 reactions. Calculated atmospheric lifetimes are in the order of days for Cl and NO3 reactions and hours for OH. In the case of Cl atoms, a lifetime of 20 h is estimated in the early morning hours in urban coastal air. These shorter lifetimes imply that the degradation reactions of E-butenedial are of great importance because their reaction products are secondary pollutants that are involved in processes such as the formation of photochemical smog or peroxyacyl nitrates (PANs). [Display omitted] ► The degradation reactions of E-butenedial with OH and NO3 radicals and Cl atoms were investigated. ► For the reaction of Cl and NO3, these are the first data for rate coefficients. ► The results show that the chemical structure of the organic compound is the decisive factor for NO3 reactions.</description><identifier>ISSN: 1352-2310</identifier><identifier>EISSN: 1873-2844</identifier><identifier>DOI: 10.1016/j.atmosenv.2013.01.041</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Atmospheric implications ; Atmospheric oxidants ; Butenedial ; Chemical composition and interactions. 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The experiments were carried out at ∼298 ± 1 K and an atmospheric pressure of N2 or synthetic air as the bath gas. Three different sampling/detection methods have been used for the study with Cl, OH and NO3: (1) Solid-Phase Microextraction and Gas Chromatography with Flame Ionization Detection (SPME/GC-FID), (2) ‘in situ’ with long-path Fourier Transform Infrared Spectroscopy (FTIR), and (3) Tenax solid adsorbent and Gas Chromatography with Mass Spectrometry (Tenax/GC–MS) as the detection system. The measured rate coefficients for E-butenedial (cm3 molecule−1 s−1) are as follows: (1.35 ± 0.29) × 10−10 for the Cl atom, (3.45 ± 0.34) × 10−11 for the OH radical and (1.70 ± 0.83) × 10−15 for the NO3 radical. For the reaction of Cl and NO3 these are the first rate coefficient data to be reported and in the case of OH the literature value is confirmed. This study confirms that the chemical structure of the organic substances does not influence on the reactivity with Cl, has a significant effect for OH reactions and is very important for NO3 reactions. Calculated atmospheric lifetimes are in the order of days for Cl and NO3 reactions and hours for OH. In the case of Cl atoms, a lifetime of 20 h is estimated in the early morning hours in urban coastal air. These shorter lifetimes imply that the degradation reactions of E-butenedial are of great importance because their reaction products are secondary pollutants that are involved in processes such as the formation of photochemical smog or peroxyacyl nitrates (PANs). [Display omitted] ► The degradation reactions of E-butenedial with OH and NO3 radicals and Cl atoms were investigated. ► For the reaction of Cl and NO3, these are the first data for rate coefficients. ► The results show that the chemical structure of the organic compound is the decisive factor for NO3 reactions.</description><subject>Atmospheric implications</subject><subject>Atmospheric oxidants</subject><subject>Butenedial</subject><subject>Chemical composition and interactions. Ionic interactions and processes</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>Kinetic study</subject><subject>Meteorology</subject><subject>Relative method</subject><issn>1352-2310</issn><issn>1873-2844</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkE1Lw0AQhoMoWKt_QXIRvCTO7ia7yUWUUj-gIIiel8lmQrekSd3dVvvvTW316mnm8LzzMk8UXTJIGTB5s0gxLHtP3SblwEQKLIWMHUUjViiR8CLLjodd5DzhgsFpdOb9AgCEKtUoun0lNMFubNjGfRNPk2odqKPaYht_2jCPw5ziJS56F_-0rObkrIn7L1tjF_x5dNJg6-niMMfR-8P0bfKUzF4enyf3s8QIlYekQpNVZUVQ8bzMcoIMECtRl4qBpAaaoixyhULUvFCKl1KxEgtEmedVVfNMjKPr_d2V6z_W5INeWm-obbGjfu01E1wUIDMGAyr3qHG9944avXJ2iW6rGeidML3Qv8L0TpgGpgdhQ_Dq0IHeYNs47Iz1f2mumJSyzAfubs_R8PDGktPeWOrMIM2RCbru7X9V3-YVhGY</recordid><startdate>20130501</startdate><enddate>20130501</enddate><creator>Martín, Pilar</creator><creator>Cabañas, Beatriz</creator><creator>Colmenar, Inmaculada</creator><creator>Salgado, María Sagrario</creator><creator>Villanueva, Florentina</creator><creator>Tapia, Araceli</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7ST</scope><scope>7TG</scope><scope>7TN</scope><scope>7TV</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><scope>SOI</scope></search><sort><creationdate>20130501</creationdate><title>Reactivity of E-butenedial with the major atmospheric oxidants</title><author>Martín, Pilar ; Cabañas, Beatriz ; Colmenar, Inmaculada ; Salgado, María Sagrario ; Villanueva, Florentina ; Tapia, Araceli</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-bac4b9be0b25945e040aab3d97106ef0f89857a33d2877296719a8aa655bbd243</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Atmospheric implications</topic><topic>Atmospheric oxidants</topic><topic>Butenedial</topic><topic>Chemical composition and interactions. 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The experiments were carried out at ∼298 ± 1 K and an atmospheric pressure of N2 or synthetic air as the bath gas. Three different sampling/detection methods have been used for the study with Cl, OH and NO3: (1) Solid-Phase Microextraction and Gas Chromatography with Flame Ionization Detection (SPME/GC-FID), (2) ‘in situ’ with long-path Fourier Transform Infrared Spectroscopy (FTIR), and (3) Tenax solid adsorbent and Gas Chromatography with Mass Spectrometry (Tenax/GC–MS) as the detection system. The measured rate coefficients for E-butenedial (cm3 molecule−1 s−1) are as follows: (1.35 ± 0.29) × 10−10 for the Cl atom, (3.45 ± 0.34) × 10−11 for the OH radical and (1.70 ± 0.83) × 10−15 for the NO3 radical. For the reaction of Cl and NO3 these are the first rate coefficient data to be reported and in the case of OH the literature value is confirmed. This study confirms that the chemical structure of the organic substances does not influence on the reactivity with Cl, has a significant effect for OH reactions and is very important for NO3 reactions. Calculated atmospheric lifetimes are in the order of days for Cl and NO3 reactions and hours for OH. In the case of Cl atoms, a lifetime of 20 h is estimated in the early morning hours in urban coastal air. These shorter lifetimes imply that the degradation reactions of E-butenedial are of great importance because their reaction products are secondary pollutants that are involved in processes such as the formation of photochemical smog or peroxyacyl nitrates (PANs). [Display omitted] ► The degradation reactions of E-butenedial with OH and NO3 radicals and Cl atoms were investigated. ► For the reaction of Cl and NO3, these are the first data for rate coefficients. ► The results show that the chemical structure of the organic compound is the decisive factor for NO3 reactions.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.atmosenv.2013.01.041</doi><tpages>10</tpages></addata></record>
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source	ScienceDirect Journals
subjects	Atmospheric implications Atmospheric oxidants Butenedial Chemical composition and interactions. Ionic interactions and processes Earth, ocean, space Exact sciences and technology External geophysics Kinetic study Meteorology Relative method
title	Reactivity of E-butenedial with the major atmospheric oxidants
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