Article (Scientific journals)
Evaluation of a rapid-scanning quadrupole mass spectrometer in an apolar × ionic-liquid comprehensive two-dimensional gas chromatography system
Purcaro, Giorgia; Tranchida, P. Q.; Ragonese, C. et al.
2010In Analytical Chemistry, 82 (20), p. 8583-8590
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Keywords :
Acquisition rates; Column separation; Comprehensive two-dimensional gas chromatography; Fast acquisition; Ion monitoring; Mass spectra; Number of datum; Peak capacity; Quadrupole mass spectrometer; Quadrupole mass spectrometry; Rapid-scanning quadrupole mass spectrometer; Validated methods; Antigens; Liquid chromatography; Mass spectrometers; Mass spectrometry; Smoke detectors; Two dimensional; Gas chromatography; Allergens; Calibration; Gas Chromatography-Mass Spectrometry; Ions; Perfume; Reproducibility of Results; Time Factors
Abstract :
[en] Comprehensive two-dimensional gas chromatography (GC× GC) is a powerful technique which can enable a great increase in GC peak capacities. However, since secondary-column separations are very rapid, detectors with a fast acquisition rate are mandatory. Such a requirement has certainly limited the use of the quadrupole mass spectrometer in the GC× GC field. The present research is focused on the evaluation of a novel rapid-scanning quadrupole mass spectrometry (qMS) detector, characterized by a 20000 amu/s scan speed and a 50 Hz scan frequency, using a 290 amu mass range (40-330 m/z). The performance of the MS system was assessed by analyzing mixtures of 24 allergens, as well as a perfume sample, through GC× GC/qMS. The MS parameters evaluated at different acquisition rates (50, 33, and 25 Hz), as well as in the (simultaneous) scan/selected ion monitoring (SIM) mode, were the number of data points per peak, mass spectrum quality, peak skewing, and sensitivity. Two GC× GC/qMS methods, using the 50 Hz acquisition rate and the scan/SIM mode, were validated. Both methods provided similar results in terms of repeatability, accuracy, and linearity, while a great increase in sensitivity was observed (ca. a factor of 10) under scan/SIM conditions. The validated method proved to be suitable for the analysis of perfume allergens, according to the requirements of Directive 2003/15/EC. © 2010 American Chemical Society.
Disciplines :
Chemistry
Author, co-author :
Purcaro, Giorgia  ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Chimie des agro-biosystèmes
Tranchida, P. Q.;  Dipartimento Farmaco-chimico, Facoltà di Farmacia, Università di Messina, viale Annunziata, 98168 Messina, Italy
Ragonese, C.;  Dipartimento Farmaco-chimico, Facoltà di Farmacia, Università di Messina, viale Annunziata, 98168 Messina, Italy
Conte, L.;  Dipartimento di Scienze Degli Alimenti, Università Degli Studi di Udine, via Sondrio 2, 33100 Udine, Italy
Dugo, P.;  Dipartimento Farmaco-chimico, Facoltà di Farmacia, Università di Messina, viale Annunziata, 98168 Messina, Italy, Università Campus-Bio-medico, via Alvaro del Portillo 21, 00128 Roma, Italy
Dugo, G.;  Dipartimento Farmaco-chimico, Facoltà di Farmacia, Università di Messina, viale Annunziata, 98168 Messina, Italy
Mondello, L.;  Dipartimento Farmaco-chimico, Facoltà di Farmacia, Università di Messina, viale Annunziata, 98168 Messina, Italy, Università Campus-Bio-medico, via Alvaro del Portillo 21, 00128 Roma, Italy
Language :
English
Title :
Evaluation of a rapid-scanning quadrupole mass spectrometer in an apolar × ionic-liquid comprehensive two-dimensional gas chromatography system
Publication date :
2010
Journal title :
Analytical Chemistry
ISSN :
0003-2700
eISSN :
1520-6882
Publisher :
American Chemical Society, United States - District of Columbia
Volume :
82
Issue :
20
Pages :
8583-8590
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 10 January 2019

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