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Fragmentation pathways of some benzothiophene radical cations formed by atmospheric pressure chemical ionisation
Author(s) -
Herrera Lisandra Cubero,
Ramaley Louis,
Grossert J. Stuart
Publication year - 2009
Publication title -
rapid communications in mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.528
H-Index - 136
eISSN - 1097-0231
pISSN - 0951-4198
DOI - 10.1002/rcm.3913
Subject(s) - chemistry , atmospheric pressure chemical ionization , benzothiophene , fragmentation (computing) , dibenzothiophene , chemical ionization , ionization , electron ionization , thiophene , mass spectrometry , tandem mass spectrometry , atmospheric pressure , chromatography , analytical chemistry (journal) , sulfur , organic chemistry , ion , oceanography , computer science , geology , operating system
Polycyclic aromatic sulfur‐containing compounds (PASHs) are commonly found in fossil fuels and are of considerable importance in environmental studies. This work presents detailed studies on the fragmentation patterns of radical cations formed from four representative PASHs, benzo[ b ]thiophene, dibenzothiophene, 4‐methyldibenzothiophene and 4,6‐dimethyldibenzothiophene, using tandem atmospheric pressure chemical ionization mass spectrometry (APCI‐MS/MS). Understanding these fragmentation patterns can be a useful aid in the analysis of PASHs employing APCI or electron ionization (EI‐MS/MS), either alone or in conjunction with liquid or gas chromatography. Copyright © 2009 John Wiley & Sons, Ltd.

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