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Varga, J. ; Wohlfahrt, S. ; Fischer, M. ; Saraji-Bozorgzad, M.R.* ; Matuschek, G. ; Denner, T.* ; Reller, A.* ; Zimmermann, R.

An evolved gas analysis method for the characterization of sulfur vapor.

J. Therm. Anal. Calorim. 127, 955-960 (2017)
Postprint DOI
Open Access Green
In this study, thermal analysis coupled with soft ionization mass spectrometry was used for the speciation of sulfur vapor. Its investigation is still a challenge, since it exhibits a complex molecular composition. A thermal analysis–mass spectrometry system was equipped with a single-photon ionization time-of-flight mass spectrometer. Single-photon ionization is a soft ionization method which produces less or no fragments. Ionization is performed with vacuum ultraviolet photons generated by an electron beam-pumped excimer lamp and a deuterium lamp. The applicability of the developed system was demonstrated for the determination of sulfur vapor composition. Several allotropic modifications were detected in the gas phase depending on temperature. Since the ionization energies of the species are between 8.6 and 9.7 eV, soft ionization is crucial for this reason. Thermogravimetric and DSC data deliver additional information to the mass spectrometric data and enable the detection of allotropic transitions in solid and liquid phase.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Allotropic Modifications; Single-photon Ionization; Flight Mass-spectrometry; High-temperature Vapors; Crude Oils; Photoionization; Light
Sprache englisch
Veröffentlichungsjahr 2017
Prepublished im Jahr 2016
HGF-Berichtsjahr 2016
ISSN (print) / ISBN 1388-6150
e-ISSN 1588-2926
Zeitschrift Journal of Thermal Analysis and Calorimetry
Quellenangaben Band: 127, Heft: 1, Seiten: 955-960 Artikelnummer: , Supplement: ,
Verlag Springer
Verlagsort Dordrecht
Begutachtungsstatus Peer reviewed
Institut(e) Cooperation Group Comprehensive Molecular Analytics (CMA)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504500-001
DOI 10.1007/s10973-016-5651-z
WOS ID WOS:000392337000104
Scopus ID 84978153197
Erfassungsdatum 2016-07-26
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