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Quantitative determination of n-alkanethiols in air and in a blended gas mixture of methane with air by gas chromatography/differential mobility spectrometry

Ion mobility spectrometry for the rapid analysis of over-the-counter drugs and beverages

Analytical description of IMS-signals

Breit-Wigner-Function and IMS-signals

International Journal for Ion Mobility Spectrometry : Volume 12, Issue 2, June 2009

International Journal for Ion Mobility Spectrometry : Volume 12, Issue 1, March 2009

International Journal for Ion Mobility Spectrometry : Volume 11

Analytical description of IMS-signals

Content Provider	Springer Nature Link
Author	Bödeker, Bertram Baumbach, Jörg Ingo
Copyright Year	2009
Abstract	Ion mobility spectrometry (IMS) is widely used to detect chemical warfare agents, illegal drugs or explosives. In such cases often the occurrence of single, well known analytes or rather small groups of analytes is considered. To retrieve analytes in rather complex matrices like human breath it becomes essential to describe all analytes, known and unknown. Therefore, a mathematical description of the peak shape of well known analytes–including their concentration profiles–and the shapes of unknown or overlapping peaks by a minimum number of parameters could significantly improve the recognition and quantification of signals in IMS-chromatograms. In the following, a function is presented which describes the theoretical surface of a peak on a given position and height. In addition, the peak-function method can be applied for decomposition of overlapping signals within IMS-chromatograms, which furthermore enables a direct determination of the volume of each peak for an accurate quantification.
Starting Page	103
Ending Page	108
Page Count	6
File Format	PDF
ISSN	14356163
Journal	International Journal for Ion Mobility Spectrometry
Volume Number	12
Issue Number	3
e-ISSN	18654584
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-06-26
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Ion mobility spectrometry, IMS Multi-capillary column, MCC Peak shape Drift time Retention time Decomposition Quantification Concentration profile Peak function Overlapped peaks Safety in Chemistry, Dangerous Goods Ecotoxicology Proteomics Molecular Medicine Physical Chemistry Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Spectroscopy

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