An octupole radio frequency (rf) ion guide was evaluated for storage and filtering of ions generated by electrospray prior to introduction into an ion trap mass spectrometer. The control of the rf potential on the ion guide enabled its operation as a high-pass mass filter, removing low-mass chemical
β¦ LIBER β¦
An improved and accurate method for the calculation of trajectories in quadrupole mass filters and ion traps using phase space dynamics
β Scribed by M. Baril; R. Le; P. Marchand
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 553 KB
- Volume
- 98
- Category
- Article
- ISSN
- 0168-1176
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SIMION calculations are compared with experimental observations of ion bunch parameters such as average kinetic energy, time-of-flight, and mass resolution as a function of the storage time and the initial phase in the quadrupole ion trap of a trap-reflectron hybrid instrument (TRAPTOF). It is shown