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  The potential of NO+ and O2+• in switchable reagent ion Proton Transfer Reaction time-of-flight Mass Spectrometry

Hegen, O., Gomez, J. I. S., Schlögl, R., & Ruland, H. (2023). The potential of NO+ and O2+• in switchable reagent ion Proton Transfer Reaction time-of-flight Mass Spectrometry. Mass Spectrometry Reviews, 42(5), 1688-1726. doi:10.1002/mas.21770.

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Mass Spectrometry Reviews - 2022 - Hegen.pdf (Publisher version), 4MB
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Mass Spectrometry Reviews - 2022 - Hegen.pdf
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2023
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 Creators:
Hegen, Oliver1, Author
Gomez, Jorge Ivan Salazar1, Author
Schlögl, Robert1, 2, Author           
Ruland, Holger1, Author
Affiliations:
1Max Planck Institute for Chemical Energy Conversion, Stiftstraße 34 – 36, 45470 Mülheim an der Ruhr, Germany, ou_persistent22              
2Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              

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 Abstract: Selected ion flow tube mass spectrometry (SIFT-MS) and Proton Transfer Reaction mass spectrometry with switchable reagent ion capability (PTR+SRI-MS) are analytical techniques for real-time qualification and quantification of compounds in gas samples with trace level concentrations. In the detection process, neutral compounds—mainly volatile organic compounds—are ionized via chemical ionization with ionic reagent or primary ions. The most common reagent ions are H3O+, NO+ and O2
+•. While ionization with H3O+ occurs by means of proton transfer, the ionization via NO+ and O2
+• offers a larger variety on ionization pathways, as charge transfer, hydride abstraction etc. are possible. The distribution of the reactant into various reaction channels depends not only on the usage of either NO+ or O2
+•, but also on the class of analyte compounds. Furthermore, the choice of the reaction conditions as well as the choice of either SIFT-MS or PTR+SRI-MS might have a large impact on the resulting products. Therefore, an overview of both NO+ and O2
+• as reagent ions is given, showing differences between SIFT-MS and PTR+SRI-MS as used analytical methods revealing the potential how the knowledge obtained with H3O+ for different classes of compounds can be extended with the usage of NO+ and O2
+•.

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Language(s): eng - English
 Dates: 2022-01-252023-09
 Publication Status: Issued
 Pages: 39
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/mas.21770
 Degree: -

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Title: Mass Spectrometry Reviews
Source Genre: Journal
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Publ. Info: New York, N.Y. : Wiley
Pages: 39 Volume / Issue: 42 (5) Sequence Number: - Start / End Page: 1688 - 1726 Identifier: ISSN: 0277-7037
CoNE: https://pure.mpg.de/cone/journals/resource/954925505274