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Chemical ionization mass spectrometry of C 2 H 4 /C 2 D 4 mixtures using iodine as reagent gas
Author(s) -
Gable Kevin P.,
Phan Thuy N.,
Griffin Don
Publication year - 1993
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.1210280422
Subject(s) - chemistry , chemical ionization , ion , analytical chemistry (journal) , mass spectrometry , fragmentation (computing) , ionization , iodine , ethylene , reagent , gas phase , isotope , mass spectrum , radiochemistry , chromatography , organic chemistry , physics , nuclear physics , computer science , catalysis , operating system
Gas‐phase ionization of ethylene with positive ions generated from molecular I 2 leads to the formation of the iodiranium ion, m / z 155. No fragmentation or crossover is seen from a mixture of C 2 H 4 and C 2 D 4 , although a net isotope effect ( I 155 / I 159 = 1.41 ± 0.02) is observed.