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Radio‐Frequency Ionization of Organic Compounds for Mass Spectrometry Analysis
Author(s) -
Zekavat Behrooz,
Solouki Touradj
Publication year - 2013
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201208717
Subject(s) - fourier transform ion cyclotron resonance , mass spectrometry , ionization , electron ionization , ambient ionization , analytical chemistry (journal) , ion source , chemical ionization , atmospheric pressure laser ionization , chemistry , direct electron ionization liquid chromatography–mass spectrometry interface , thermal ionization , ion , atomic physics , physics , environmental chemistry , organic chemistry , chromatography
A new ionization technique : A radio‐frequency signal was used to ionize neutral organic molecules in the ultrahigh‐vacuum region of a Fourier transform ion cyclotron resonance mass spectrometer. Radio‐frequency ionization (RFI) yielded signal/noise (S/N) ratios roughly six times higher than those generated by conventional 70 eV electron impact ionization (EI).