About: Analysis of Ketones by Selected Ion Flow Tube Mass Spectrometry.

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A selected ion flow tube-mass spectrometry (SIFT-MS) study of the reactions of H3O+, NO+ and O2+. ions with the ketones (M) 2-heptanone, 2-octanone, 2-nonanone, 2-undecanone and 2-aminoacetophenone, has been conducted in preparation for studies of volatile emissions from bacteria. The H3O+ reactions all proceed rapidly via exothermic proton transfer, producing only MH+ ions that form their monohydrates when water vapour is present in the helium carrier gas. The O2+. reactions proceed rapidly via dissociative charge transfer producing parent cations M+. and some fragment ions. The NO+ reactions form the NO+M adduct ions at rates which are dependent on the pressure of the helium carrier gas. Combining the present NO+ kinetic data with those available from previous SIFT studies, the phenomenon of charge transfer complexing is clearly demonstrated. This results in adduct formation in these NO+/ketone reactions at or near the collisional rate. SIFT-MS spectra. A selected ion flow tube-mass spectrometry (SIFT-MS) study of the reactions of H3O+, NO+ and O2+. ions with the ketones (M) 2-heptanone, 2-octanone, 2-nonanone, 2-undecanone and 2-aminoacetophenone, has been conducted in preparation for studies of volatile emissions from bacteria. The H3O+ reactions all proceed rapidly via exothermic proton transfer, producing only MH+ ions that form their monohydrates when water vapour is present in the helium carrier gas. The O2+. reactions proceed rapidly via dissociative charge transfer producing parent cations M+. and some fragment ions. The NO+ reactions form the NO+M adduct ions at rates which are dependent on the pressure of the helium carrier gas. Combining the present NO+ kinetic data with those available from previous SIFT studies, the phenomenon of charge transfer complexing is clearly demonstrated. This results in adduct formation in these NO+/ketone reactions at or near the collisional rate. SIFT-MS spectra. (en)
Title	Analysis of Ketones by Selected Ion Flow Tube Mass Spectrometry. Analysis of Ketones by Selected Ion Flow Tube Mass Spectrometry. (en)
skos:prefLabel	Analysis of Ketones by Selected Ion Flow Tube Mass Spectrometry. Analysis of Ketones by Selected Ion Flow Tube Mass Spectrometry. (en)
skos:notation	RIV/61388955:_____/03:54030265!RIV/2004/AV0/A54004/N
http://linked.open.../vavai/riv/strany	2655;2660
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/03/0827), P(GA203/02/0737), Z(AV0Z4040901)
http://linked.open...iv/cisloPeriodika	N/A
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Španěl, Patrik
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	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	598088
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/03:54030265
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mass spectrometry; selected ion flow tube; ketones (en)
http://linked.open.../riv/klicoveSlovo	ketones mass spectrometry selected ion flow tube
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[714AE641791C]
http://linked.open...i/riv/nazevZdroje	Rapid Communications in Mass Spectrometry
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Mass spectrometric and theoretical characterization of transient molecules A study of elementary processes in low-temperature and technologically oriented plasmas and the development of relevant diagnostic methods
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	17
http://linked.open...iv/tvurceVysledku	Smith, D. Španěl, Patrik Wang, T.
http://linked.open...n/vavai/riv/zamer	Objasňování zákonitostí vztahů struktury a vlastností - zejména dynamiky a chemické reaktivity - látek a molekulárních systémů
issn	0951-4198
number of pages	6 (xsd:int)

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