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Characterization of Proton-Bound Acetate Dimers in Ion Mobility Spectrometry by Christian Schack Pedersen; Frants Roager Lauritsen; Alexey Sysoev; Anna-Kaisa Viitanen; Jyrki M. Mäkelä; Alexey Adamov; Jaakko Laakia; Timo Mauriala; Tapio Kotiaho is a Chemistry article available to read on EtoBox.
What is Characterization of Proton-Bound Acetate Dimers in Ion Mobility Spectrometry about?
Ionized acetates were used as model compounds to describe gas-phase behavior of oxygen containing compounds with respect to their formation of dimers in ion mobility spectrometry (IMS). The ions were created using corona discharge at atmospheric pressure and separated in a drift tube before analysis of the ions by mass spectrometry. At the ambient operational temperature and pressure used in our instrument, all acetates studied formed dimers. Using a homolog series of n-alkyl-acetates, we found that the collision cross section of a dimer was smaller than that of a monomer with the same reduced mass. Our experiments also showed that the reduced mobility of acetate dimers with different functional groups increased in the order n-alkyl Յ branched chain alkyl Յ cyclo alkyl Ͻ aromat. For mixed n-alkyl dimers we found that the reduced mobility of acetate dimers having the same number of carbons, for example a dimer of acetyl acetate and hexyl acetate has the same reduced mobility as a dimer composed of two butyl acetates. The fundamental behavior of acetate monomers and dimers described in this paper will assist in a better understanding of the influence of dimer formation in ion mobilit
Who reads Characterization of Proton-Bound Acetate Dimers in Ion Mobility Spectrometry?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Christian Schack Pedersen; Frants Roager Lauritsen; Alexey Sysoev; Anna-Kaisa Viitanen; Jyrki M. Mäkelä; Alexey Adamov; Jaakko Laakia; Timo Mauriala; Tapio Kotiaho
- Publisher
- Elsevier Science; Springer-Verlag; Springer New York LLC; American Chemical Society (ACS); Springer Science and Business Media LLC; Elsevier BV (ISSN 1044-0305)
- Published
- 2008
- Language
- EN
- Field
- Chemistry (Physical Sciences)