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Scientific Articles - PTR-MS Bibliography

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Found 6 results
Title [ Year(Asc)]
Filters: Author is Gutmann, R.  [Clear All Filters]
[1523] Herbig, J.., R.. Gutmann, K.. Winkler, A.. Hansel, and G.. Sprachmann, "Real-Time Monitoring of Trace Gas Concentrations in Syngas", Oil Gas Sci. Technol. Rev. IFP Energies nouvelles, vol. 69, pp. 363–372, August, 2014.
<p>EN: A Proton Transfer Reaction Mass Spectrometer (PTR-MS) was used for the analysis of syngas in an industrial Fischer-Tropsch process. A PTR-MS can detect a variety of volatile organic and inorganic compounds in real-time and with high sensitivity. Together with a multiplexer, this allows for online (real-time) monitoring of the trace contaminations at different stages of a Fischer-Tropsch process. Several volatile compounds, such as HCN, H2S, RSH, carbonyls, acids, alcohols and others have been measured in Syngas. This paper describes the setup to monitor syngas using PTR-MS and summarizes the result of this proof-of-principle project. FR: Un spectromètre de masse par réaction de transfert de protons (PTR-MS, Proton Transfer Reaction &ndash; Mass Spectrometer) a été utilisé pour l&rsquo;analyse de gaz de synthèse dans un procédé industriel Fischer-Tropsch. Un PTR-MS peut détecter une grande variété de composés organiques et inorganiques volatils en temps réel et avec une sensibilité élevée. Associé à un multiplexeur, il permet un suivi en ligne (en temps réel) des contaminants à l&rsquo;état de traces à différents stades d&rsquo;un procédé Fischer-Tropsch. Plusieurs composés volatils, tels que HCN, H2S, RSH, des carbonyles, des acides, des alcools et autres, ont été mesurés dans du gaz de synthèse. Cet article décrit la configuration pour le suivi du gaz de synthèse en utilisant le PTR-MS et résume le résultat de ce projet de preuve de concept.</p>
[Schmidberger2013] Schmidberger, T.., R.. Gutmann, and R.. Huber, "Application of PTR-MS in mammalian cell culture", 6th International PTR-MS Conference on Proton Transfer Reaction Mass Spectrometry and Its Applications, pp. 39, 2013.
Mass spectrometry is a well-known technology to detect O2 and CO2 in the off-gas of cell culture fermentations. In contrast to classical spectrometers, the proton transfer reaction mass spectrometer (PTR-MS) applies a very soft ionization strategy and therefore the spectra show less fragments and are easier to interpret. In our study we applied the PTR-MS technology to monitor volatile organic compounds (VOC) in mammalian cell culture processes. Interesting masses were identified and correlations between PTR-MS data and off-line parameters will be presented.
[Gutmann2012] Gutmann, R.., M.. Luchner, J.. Herbig, A.. Hansel, K.. Bayer, and G.. Striedner, "Advanced bioprocess monitoring by implementation of Proton Transfer Reaction - Mass Spectrometry (PTR-MS) for measurement of volatile components in the bioreactor", ACIB, Book of abstracts, vol. -, pp. -, 2012.
[Fischer2011] Fischer, L.., K.. Winkler, R.. Gutmann, W.. Singer, J.. Herbig, and A.. Hansel, "Evaporating Liquid Samples for Analysis with PTR-MS", 5th International PTR-MS Conference on Proton Transfer Reaction Mass Spectrometry and Its Applications, pp. 211–212, 2011.
We present a method for measuring liquid samples with the PTR-MS by using a spray to convert the liquid into the gas phase. Advantages over headspace measurements concerning compounds with high Henry's law constants could be demonstrated.
[Striedner2011] Striedner, G.., M.. Luchner, R.. Gutmann, A.. Hansel, and K.. Bayer, "Implementation of PTR-MS as tool in bioprocess monitoring - measurement of volatile components in the bioreactor exhaust gas", 5th International PTR-MS Conference on Proton Transfer Reaction Mass Spectrometry and Its Applications, pp. 24, 2011.
Common bioprocess conditions imply a gas-liquid-mixture with living cells as solid phase in a sterile environment which demands a great deal on sensor/analyzer technology and design. Online access to physiology relevant process variables, the ultimate request of process engineers, is still very limited as complexity of biological systems additionally constrains direct measurements...
[Singer2010] Singer, W.., R.. Gutmann, J.. Dunkl, and A.. Hansel, "PTR-MS Technology for Process Monitoring and Control in Biotechnology", Process Analytical Chemistry, vol. -, pp. -, 2010.

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Selected PTR-MS related Reviews

F. Biasioli, C. Yeretzian, F. Gasperi, T. D. Märk: PTR-MS monitoring of VOCs and BVOCs in food science and technology, Trends in Analytical Chemistry 30 (7) (2011).

J. de Gouw, C. Warneke, T. Karl, G. Eerdekens, C. van der Veen, R. Fall: Measurement of Volatile Organic Compounds in the Earth's Atmosphere using Proton-Transfer-Reaction Mass Spectrometry. Mass Spectrometry Reviews, 26 (2007), 223-257.

W. Lindinger, A. Hansel, A. Jordan: Proton-transfer-reaction mass spectrometry (PTR–MS): on-line monitoring of volatile organic compounds at pptv levels, Chem. Soc. Rev. 27 (1998), 347-375.


Lists with PTR-MS relevant publications of the University of Innsbruck can be found here: Atmospheric and indoor air chemistry, IMR, Environmental Physics and Nano-Bio-Physics


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