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From:Atmospheric Measurement Techniques (Vol. 14, Issue 9) Peer-ReviewedA new instrument for the measurement of atmospheric nitrous acid (HONO) and hydroxyl radicals (OH) has been developed using laser photofragmentation (LP) of HONO at 355 nm after expansion into a low-pressure cell,...
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From:Atmospheric Chemistry and Physics (Vol. 21, Issue 17) Peer-ReviewedReaction of stabilized Criegee intermediates (SCIs) with SO.sub.2 was proposed as an additional pathway of gaseous sulfuric acid (H.sub.2 SO.sub.4) formation in the atmosphere, supplementary to the conventional mechanism...
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From:Atmospheric Measurement Techniques (Vol. 10, Issue 10) Peer-ReviewedHydroxyl (OH) radical reactivity (k.sub.OH) has been measured for 18 years with different measurement techniques. In order to compare the performances of instruments deployed in the...
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From:Atmospheric Chemistry and Physics (Vol. 17, Issue 20) Peer-ReviewedTotal hydroxyl radical (OH) reactivity, the total loss frequency of the hydroxyl radical in ambient air, provides the total loading of OH reactants in air. We measured the total OH reactivity for the first...
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From:Atmospheric Measurement Techniques (Vol. 11, Issue 1) Peer-ReviewedByline: Michelle M. Lew, Sebastien Dusanter, Philip S. Stevens To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link:...
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From:Atmospheric Chemistry and Physics (Vol. 17, Issue 3) Peer-ReviewedGas-phase biogenic volatile organic compounds (BVOCs) are oxidized in the troposphere to produce secondary pollutants such as ozone (O.sub.3 ), organic nitrates (RONO.sub.2 ), and secondary organic aerosol (SOA). Two...
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From:Atmospheric Chemistry and Physics (Vol. 20, Issue 3) Peer-ReviewedTotal hydroxyl radical (OH) reactivity measurements were conducted during the LANDEX intensive field campaign in a coniferous temperate forest located in the Landes area, southwestern France, during July 2017. In order...
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From:Atmospheric Measurement Techniques (Vol. 12, Issue 11) Peer-ReviewedIn September 2017, we conducted a proton-transfer-reaction mass-spectrometry (PTR-MS) intercomparison campaign at the CESAR observatory, a rural site in the central Netherlands near the village of Cabauw. Nine research...
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From:Atmospheric Measurement Techniques (Vol. 12, Issue 11) Peer-ReviewedA new online gas chromatographic method dedicated to biogenic volatile organic compound (BVOC) analysis was developed for the measurement of a 20 BVOC gaseous mixture (isoprene; β-pinene; α-pinene; limonene; ocimene;...
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From:Atmospheric Chemistry and Physics (Vol. 21, Issue 10) Peer-ReviewedThe characterization of the molecular composition of organic carbon in both gaseous and aerosol is key to understanding the processes involved in the formation and aging of secondary organic aerosol. Therefore a...
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From:Atmospheric Chemistry and Physics (Vol. 19, Issue 7) Peer-ReviewedByline: Ali Akherati, Christopher D. Cappa, Michael J. Kleeman, Kenneth S. Docherty, Jose L. Jimenez, Stephen M. Griffith, Sebastien Dusanter, Philip S. Stevens, Shantanu H. Jathar To access, purchase, authenticate,...
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From:Atmospheric Chemistry and Physics (Vol. 19, Issue 14) Peer-Reviewed
Peroxy radicals were measured in a mixed deciduous forest atmosphere in Bloomington, Indiana, USA, during the Indiana Radical, Reactivity and Ozone Production Intercomparison (IRRONIC) during the summer of 2015....
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From:Atmospheric Chemistry and Physics (Vol. 20, Issue 15) Peer-ReviewedReactions of the hydroxyl (OH) and peroxy (HO.sub.2 and RO.sub.2) radicals play a central role in the chemistry of the atmosphere. In addition to controlling the lifetimes of many trace gases important to issues of...
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From:Atmospheric Measurement Techniques (Vol. 11, Issue 10) Peer-Reviewed
Methylglyoxal (MGLY) is an important atmospheric α-dicarbonyl species for which photolysis acts as a significant source of peroxy radicals, contributing to the oxidizing capacity of the atmosphere and, as...