Kp. Gable et al., CHEMICAL IONIZATION MASS-SPECTROMETRY OF C2H4 C2D4 MIXTURES USING IODINE AS REAGENT GAS/, Organic mass spectrometry, 28(4), 1993, pp. 397-399
Gas-phase ionization of ethylene with positive ions generated from mol
ecular 12 leads to the formation of the iodiranium ion, m/z 155. No fr
agmentation or crossover is seen from a mixture of C2H4 and C2D4, alth
ough a net isotope effect (I155/I159 = 1.41 +/- 0.02) is observed.