Ion trap mass spectrometer

{
  "id": "MLC-T-CHM-006098",
  "term": "Ion trap mass spectrometer",
  "field": "Chemistry",
  "definition": "A mass spectrometer in which ions are confined in a three-dimensional quadrupole radiofrequency electric field, which holds those within a chosen m/z range on stable paths. The field is then changed so that ions of successive m/z become unstable and leave the trap toward a detector, and isolation and fragmentation steps can be done in the same trap for tandem mass spectrometry. It uses no magnetic field, unlike the ion cyclotron resonance trap.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "selectivity",
    "stable"
  ],
  "references": [
    "PAC, 1991, 63, 1541. 'Recommendations for nomenclature and symbolism for mass spectroscopy (including an appendix of terms used in vacuum technology). (Recommendations 1991)' on page 1545 (https://doi.org/10.1351/pac199163101541)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/ion-trap-mass-spectrometer/"
}