Short pulse laser mass spectrometry of nitrotoluenes: ionization and fragmentation behavior.

@article{Weickhardt2002ShortPL,
  title={Short pulse laser mass spectrometry of nitrotoluenes: ionization and fragmentation behavior.},
  author={Christian Weickhardt and Karen T{\"o}nnies},
  journal={Rapid communications in mass spectrometry : RCM},
  year={2002},
  volume={16 5},
  pages={442-6}
}
The mass spectra of all isomers of mononitrotoluene, four isomers of dinitrotoluene and of 2,4,6,-trinitrotoluene, obtained by multiphoton ionization utilizing ultrashort laser pulses with center wavelengths of either 206 nm or 412 nm, are presented and discussed. Under these ionization conditions all nitrotoluenes exhibit a high degree of fragmentation which increases with the degree of substitution. For the compounds having a nitro group in position 2 and/or 6 a pronounced ortho effect… CONTINUE READING

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