Mass spectrometry with ion sources operating at atmospheric pressure

1991 ◽  
Vol 10 (1) ◽  
pp. 53-77 ◽  
Author(s):  
A. P. Bruins
Keyword(s):  
Mass Spectrometry ◽  
Atmospheric Pressure ◽  
Ion Sources

scholarly journals FAPA mass spectrometry of hydroxychalcones. Comparative studies with classical methods of ionization

2014 ◽  
Vol 27 (1) ◽  
pp. 27-31 ◽  
Author(s):  
Marek Smoluch ◽  
Grazyna Bartkowiak ◽  
Edward Reszke ◽  
Wojciech Lechowicz ◽  
Jerzy Silberring ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Molecular Weight ◽  
Comparative Studies ◽  
Atmospheric Pressure ◽  
Ion Sources ◽  
Low Molecular Weight ◽  
Fragmentation Pathways ◽  
Low Molecular Weight Compounds ◽  
Flowing Atmospheric Pressure Afterglow ◽  
Comparison Of The Results

Abstract In this paper we are focused on analysis of hydroxychalcones, i.e. 2’-hydroxychalcone, 3’-hydroxychalcone and 4’-hydroxychalcone, by the Flowing Atmospheric Pressure Afterglow mass spectrometry (FAPA-MS), and on comparison of the obtained data with other classical methods including ESI-MS, APCI, MALDI, and GC/EI-MS. The paper is presenting fragmentation pathways of both positive-, and negative hydroxychalcone ions. Tested compounds were characterized by comparison of the results (signals m/z and relative intensities) from the five mass spectrometry techniques, showing very good utility of FAPA method for fast and easy analysis of the low molecular weight compounds. Moreover, FAPA does not require a time-consuming derivatization, nor search for a suitable solvent or matrix, often incompatible with various ion sources.

Analysis of neonicotinoids from plant material by desorption atmospheric pressure photoionization-mass spectrometry

2015 ◽  
Vol 29 (5) ◽  
pp. 424-430 ◽  
Author(s):  
Anu Vaikkinen ◽  
Henning S. Schmidt ◽  
Iiro Kiiski ◽  
Sari Rämö ◽  
Kati Hakala ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Atmospheric Pressure ◽  
Plant Material ◽  
Atmospheric Pressure Photoionization ◽  
Photoionization Mass Spectrometry
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