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Differentiation of polycyclic aromatic hydrocarbons using electron capture negative chemical ionization
Author(s) -
Buchanan Michelle V.,
Olerich Geraldine
Publication year - 1984
Publication title -
organic mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0030-493X
DOI - 10.1002/oms.1210191005
Subject(s) - pyrene , chemistry , ionization , chemical ionization , polycyclic aromatic hydrocarbon , methane , electron ionization , hydrocarbon , ionization energy , environmental chemistry , analytical chemistry (journal) , photochemistry , organic chemistry , ion
A number of isomeric polycyclic aromatic hydrocarbons may be distinguished using electron capture negative chemical ionization when methane is used as a buffer gas, including benzo[ a ]pyrene and benzo[ e ]pyrene. The ionization behavior of these compounds may be predicted, on the basis of their electron afinities, allowing compounds to be distinguished without the use of standards.