1. and The Mass Spectra of Organic Molecules, Chapt. 4. Elsevier, Amsterdam (1968).
2. The scope of metastable peak observations
3. Small kinetic energy releases by predissociating metastable ions
4. Obtained from CA mass spectra which were run with a gas cell voltage of -300 V, and a helium collision gas pressure of ˜4 × 10−7 Torr, see Ref. 9 for further details; the unimolecular, and collision induced components are generally of comparable intensities under these experimental conditions.