Separation and Quantitation of the Stereoisomers of Ephedra Alkaloids in Natural Health Products Using Flow Injection-Electrospray Ionization-High Field Asymmetric Waveform Ion Mobility Spectrometry-Mass Spectrometry

2003 ◽  
Vol 75 (11) ◽  
pp. 2538-2542 ◽  
Author(s):  
Margaret McCooeye ◽  
Luyi Ding ◽  
Graeme J. Gardner ◽  
Catharine A. Fraser ◽  
Joe Lam ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Electrospray Ionization ◽  
Ion Mobility Spectrometry ◽  
Flow Injection ◽  
Ion Mobility ◽  
High Field ◽  
Natural Health Products ◽  
Asymmetric Waveform ◽  
Natural Health ◽  
Health Products

Calculation of ion mobilities from electrospray ionization high-field asymmetric waveform ion mobility spectrometry mass spectrometry

2001 ◽  
Vol 114 (23) ◽  
pp. 10270-10277 ◽  
Author(s):  
Roger Guevremont ◽  
David A. Barnett ◽  
Randy W. Purves ◽  
Larry A. Viehland
Keyword(s):  
Mass Spectrometry ◽  
Electrospray Ionization ◽  
Ion Mobility Spectrometry ◽  
Ion Mobility ◽  
High Field ◽  
Asymmetric Waveform
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