About: Photochemistry of organic compounds in the presence of inorganic nitrates and nitrites in water ice matrix

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this study, we focused on the photochemistry of organic compounds in ice in the presence of inorganic nitrates and nitrites, which are the potential source of photoinduced reactive species, such as OH and NOx radicals. The photoproduction of gas phase NOx above the snowpack surface in polar region is now well established [1, 2]. Besides, nitro-, nitroso-, and hydroxyphenols are known to be produced in the photolysis of aqueous solutions of these inorganic salts in the presence of aromatic compounds under laboratory conditions. For this work, we observed that the reactive radical species react with aromatic compounds present in the grain boundaries of ice to produce hydroxy- and nitrocompounds. The dependence on dissolved oxygen and availability of proton in the experimental systems containing phenol, methoxybenzene, or methoxyphenol, were studied. The results show that a great variety of bimolecular reactions can occur in natural ice or snow. In this study, we focused on the photochemistry of organic compounds in ice in the presence of inorganic nitrates and nitrites, which are the potential source of photoinduced reactive species, such as OH and NOx radicals. The photoproduction of gas phase NOx above the snowpack surface in polar region is now well established [1, 2]. Besides, nitro-, nitroso-, and hydroxyphenols are known to be produced in the photolysis of aqueous solutions of these inorganic salts in the presence of aromatic compounds under laboratory conditions. For this work, we observed that the reactive radical species react with aromatic compounds present in the grain boundaries of ice to produce hydroxy- and nitrocompounds. The dependence on dissolved oxygen and availability of proton in the experimental systems containing phenol, methoxybenzene, or methoxyphenol, were studied. The results show that a great variety of bimolecular reactions can occur in natural ice or snow. (en)
Title	Photochemistry of organic compounds in the presence of inorganic nitrates and nitrites in water ice matrix Photochemistry of organic compounds in the presence of inorganic nitrates and nitrites in water ice matrix (en)
skos:prefLabel	Photochemistry of organic compounds in the presence of inorganic nitrates and nitrites in water ice matrix Photochemistry of organic compounds in the presence of inorganic nitrates and nitrites in water ice matrix (en)
skos:notation	RIV/00216224:14310/06:00015633!RIV11-GA0-14310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA205/05/0819), Z(MSM0021622412)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Matykiewiczová, Nina Klán, Petr Kurková, Romana Klánová, Jana
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
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	492004
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/06:00015633
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	photochemistry; nitrate; nitrite; ice (en)
http://linked.open.../riv/klicoveSlovo	photochemistry nitrate nitrite ice
http://linked.open...ontrolniKodProRIV	[8D200074DB05]
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Environmental consequences of photochemical processes in ice and snow
http://linked.open...UplatneniVysledku	2006
http://linked.open...iv/tvurceVysledku	Klánová, Jana Klán, Petr Kurková, Romana Matykiewiczová, Nina
http://linked.open...n/vavai/riv/zamer	Interactions among the chemicals, environment and biological systems and their consequences on the global, regional and local scales (INCHEMBIOL)
http://localhost/t...ganizacniJednotka	14310

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