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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F07%3A00004842%21RIV10-MSM-15310___
rdf:type
n17:Vysledek skos:Concept
dcterms:description
Selected precursors and degradation products of chemical warfare agents namely N,N-dialkylaminoethane-2-ols, N,N-dialkylaminoethyl-2-chlorides and some of related N-quaternary salts were studied by means of electrospray ionization-multiple tandem mass spectrometry (ESI-MSn). Proposed structures were confirmed with accurate mass measurement. General fragmentation patterns of these compounds are discussed in detail and suggested processes are confirmed using deuterated standards. The typical processes are elimination of alkene, hydrogen chloride, or water, respectively. Besides, elimination of ethene from propyl chain under specific conditions was observed and unambiguously confirmed using exact mass measurement and labelled standard. The potential of mass spectrometry to distinguish the positional isomers occurring among the studied compounds is reviewed in detail using two different MS instruments (i.e. ion trap and hybrid quadrupole-time of flight (Q-TOF) analyzer). A new microcolumn liquid chromatog Selected precursors and degradation products of chemical warfare agents namely N,N-dialkylaminoethane-2-ols, N,N-dialkylaminoethyl-2-chlorides and some of related N-quaternary salts were studied by means of electrospray ionization-multiple tandem mass spectrometry (ESI-MSn). Proposed structures were confirmed with accurate mass measurement. General fragmentation patterns of these compounds are discussed in detail and suggested processes are confirmed using deuterated standards. The typical processes are elimination of alkene, hydrogen chloride, or water, respectively. Besides, elimination of ethene from propyl chain under specific conditions was observed and unambiguously confirmed using exact mass measurement and labelled standard. The potential of mass spectrometry to distinguish the positional isomers occurring among the studied compounds is reviewed in detail using two different MS instruments (i.e. ion trap and hybrid quadrupole-time of flight (Q-TOF) analyzer). A new microcolumn liquid chromatog
dcterms:title
Mass spectrometric study of selected precursors and degradation products of chemical warfare agents Mass spectrometric study of selected precursors and degradation products of chemical warfare agents
skos:prefLabel
Mass spectrometric study of selected precursors and degradation products of chemical warfare agents Mass spectrometric study of selected precursors and degradation products of chemical warfare agents
skos:notation
RIV/61989592:15310/07:00004842!RIV10-MSM-15310___
n3:aktivita
n14:V n14:Z
n3:aktivity
V, Z(AV0Z40400503), Z(MSM6198959216)
n3:cisloPeriodika
12
n3:dodaniDat
n4:2010
n3:domaciTvurceVysledku
n9:2514559 n9:3649768 n9:4316851 n9:6013449 n9:5110386 n9:3302016 n9:1077074 n9:8390924
n3:druhVysledku
n18:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
432203
n3:idVysledku
RIV/61989592:15310/07:00004842
n3:jazykVysledku
n5:eng
n3:klicovaSlova
mass spectrometry; chemical warfare agent; high performance liquid chromatography; LC/MS; N,N-dialkylaminoethane-2-ol; N,N-dialkylaminoethyl-2-chloride; quaternary salt
n3:klicoveSlovo
n10:N n10:LC%2FMS n10:quaternary%20salt n10:N-dialkylaminoethane-2-ol n10:N-dialkylaminoethyl-2-chloride n10:mass%20spectrometry n10:high%20performance%20liquid%20chromatography n10:chemical%20warfare%20agent
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[ABC1C6129518]
n3:nazevZdroje
Journal of Mass Spectrometry
n3:obor
n15:CB
n3:pocetDomacichTvurcuVysledku
8
n3:pocetTvurcuVysledku
9
n3:rokUplatneniVysledku
n4:2007
n3:svazekPeriodika
42
n3:tvurceVysledku
Hlaváč, Jan Fryšová, Iveta Lemr, Karel Jirkovský, Jaromír Stýskala, Jakub Bednář, Petr Ulrichová, Jitka Barták, Petr Papoušková, Barbora
n3:zamer
n8:AV0Z40400503 n8:MSM6198959216
s:issn
1076-5174
s:numberOfPages
12
n12:organizacniJednotka
15310