| abstract |
Featured is a quadrupole ion trap mass spectrometer having a compact configuration with a low voltage fundamental RF and using supplemental RF to a very low q ejec value so as to yield a device characterized as having a high mass range. In more particular embodiments, such a quadrupole ion trap mass spectrometer is configured and arranged so as to a mass range on the order of 1,000 to 2,500 Da. Also featured are methods embodying the use of such a quadrupole ion trap mass spectrometer. |