About: Kinetics of heterogeneous reactions of ozone with representative PAHs and an alkene at the air

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About: Kinetics of heterogeneous reactions of ozone with representative PAHs and an alkene at the air–ice interface at 258 and 188 K Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The kinetics of the reaction of an alkene (E-stilbene) and three polycyclic aromatic hydrocarbons (perylene, anthracene and fluoranthene), as examples of environmental pollutants, with ozone on the surface of ice grains (also called “artificial snow”), produced by shock-freezing of aqueous solutions, was studied at submonolayer pollutant coverages (c = 1.5 x 10-8 to 3 x 10-10 mol kg-1) and two different temperatures (258 and 188 K). This work supports and extends our previous discovery of a remarkable increase in the apparent ozonation rates with decreasing temperature. The ozonation kinetic results were evaluated using the Langmuir–Hinshelwood model and, in one case, the Eley–Rideal kinetic model. It is shown that the apparent rate enhancement is related to the specific nature of the ice surface at different temperatures, which influences the availability of contaminants to gaseous ozone, and to inherent reactivities of the contaminants. The kinetics of the reaction of an alkene (E-stilbene) and three polycyclic aromatic hydrocarbons (perylene, anthracene and fluoranthene), as examples of environmental pollutants, with ozone on the surface of ice grains (also called “artificial snow”), produced by shock-freezing of aqueous solutions, was studied at submonolayer pollutant coverages (c = 1.5 x 10-8 to 3 x 10-10 mol kg-1) and two different temperatures (258 and 188 K). This work supports and extends our previous discovery of a remarkable increase in the apparent ozonation rates with decreasing temperature. The ozonation kinetic results were evaluated using the Langmuir–Hinshelwood model and, in one case, the Eley–Rideal kinetic model. It is shown that the apparent rate enhancement is related to the specific nature of the ice surface at different temperatures, which influences the availability of contaminants to gaseous ozone, and to inherent reactivities of the contaminants. (en)
Title	Kinetics of heterogeneous reactions of ozone with representative PAHs and an alkene at the air–ice interface at 258 and 188 K Kinetics of heterogeneous reactions of ozone with representative PAHs and an alkene at the air–ice interface at 258 and 188 K (en)
skos:prefLabel	Kinetics of heterogeneous reactions of ozone with representative PAHs and an alkene at the air–ice interface at 258 and 188 K Kinetics of heterogeneous reactions of ozone with representative PAHs and an alkene at the air–ice interface at 258 and 188 K (en)
skos:notation	RIV/00216224:14310/14:00074345!RIV15-MSM-14310___
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GAP503/10/0947), P(LO1214), S
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Lišková, Hana Ray, Debajyoti Klán, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	24251
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/14:00074345
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Ice; snow; ozone; aromatic compounds (en)
http://linked.open.../riv/klicoveSlovo	Ice aromatic compounds snow ozone
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[62B8E26C521F]
http://linked.open...i/riv/nazevZdroje	Environmental Science: Processes & Impacts
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Centrum pro výzkum toxických látek v prostředí Implications of photochemical activity of organic pollutants in polar regions
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	16
http://linked.open...iv/tvurceVysledku	Klán, Petr Ray, Debajyoti Lišková, Hana
http://linked.open...ain/vavai/riv/wos	000333565000012
issn	2050-7887
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1039/c3em00665d
http://localhost/t...ganizacniJednotka	14310

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