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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F09%3A00010415%21RIV10-MSM-15310___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
N,N-dialkylaminoethane-2-thiols belong to the group of precursors and degradation products of chemical warfare agents (CWAs). These compounds were analyzed by means of electrospray ionization-multiple stage mass spectrometry (ion trap) and proposed fragments were confirmed by accurate mass measurement using a QqTOF system. The fragmentation pathways of studied compounds and the products of oxidation (formation of -S-S- linkage) were described. Some minor interesting processes, such as rearrangement of SH group, were observed and proved. A new mu LC/MS method, based on ion-pairing chromatography, was developed. Trifluoroacetic acid was employed as an ion-pairing agent to increase the low retention of compounds of interest in the reverse-phase system. The technique was compared with the UPLC/MS method, allowing fast analysis of all the studied thiols as well as an explorative control of originated disulfides. N,N-dialkylaminoethane-2-thiols belong to the group of precursors and degradation products of chemical warfare agents (CWAs). These compounds were analyzed by means of electrospray ionization-multiple stage mass spectrometry (ion trap) and proposed fragments were confirmed by accurate mass measurement using a QqTOF system. The fragmentation pathways of studied compounds and the products of oxidation (formation of -S-S- linkage) were described. Some minor interesting processes, such as rearrangement of SH group, were observed and proved. A new mu LC/MS method, based on ion-pairing chromatography, was developed. Trifluoroacetic acid was employed as an ion-pairing agent to increase the low retention of compounds of interest in the reverse-phase system. The technique was compared with the UPLC/MS method, allowing fast analysis of all the studied thiols as well as an explorative control of originated disulfides.
dcterms:title
Mass spectrometry as a tool for characterization of N,N-dialkylaminoethane-2-thiols - precursors and degradation products of chemical warfare agents Mass spectrometry as a tool for characterization of N,N-dialkylaminoethane-2-thiols - precursors and degradation products of chemical warfare agents
skos:prefLabel
Mass spectrometry as a tool for characterization of N,N-dialkylaminoethane-2-thiols - precursors and degradation products of chemical warfare agents Mass spectrometry as a tool for characterization of N,N-dialkylaminoethane-2-thiols - precursors and degradation products of chemical warfare agents
skos:notation
RIV/61989592:15310/09:00010415!RIV10-MSM-15310___
n3:aktivita
n4:Z
n3:aktivity
Z(AV0Z50380511), Z(MSM6198959216)
n3:cisloPeriodika
11
n3:dodaniDat
n7:2010
n3:domaciTvurceVysledku
n5:1077074 n5:3649768 n5:8390924 n5:4316851 n5:6013449 n5:5110386
n3:druhVysledku
n16:J
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
324812
n3:idVysledku
RIV/61989592:15310/09:00010415
n3:jazykVysledku
n13:eng
n3:klicovaSlova
mass spectrometry; chemical warfare agents; N,N-dialkylaminoethane-2-thiols; ion-pairing liquid chromatography; ultra performance liquid chromatography
n3:klicoveSlovo
n10:N-dialkylaminoethane-2-thiols n10:ion-pairing%20liquid%20chromatography n10:mass%20spectrometry n10:N n10:chemical%20warfare%20agents n10:ultra%20performance%20liquid%20chromatography
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[72A33B487112]
n3:nazevZdroje
Journal of Mass Spectrometry
n3:obor
n8:CB
n3:pocetDomacichTvurcuVysledku
6
n3:pocetTvurcuVysledku
6
n3:rokUplatneniVysledku
n7:2009
n3:svazekPeriodika
44
n3:tvurceVysledku
Stýskala, Jakub Hlaváč, Jan Papoušková, Barbora Barták, Petr Bednář, Petr Lemr, Karel
n3:zamer
n15:AV0Z50380511 n15:MSM6198959216
s:issn
1076-5174
s:numberOfPages
9
n17:organizacniJednotka
15310