{"term":{"id":"03249","title":"ion trap mass spectrometer","longtitle":"IUPAC Gold Book - ion trap mass spectrometer","doi":"10.1351\/goldbook.I03249","code":"I03249","status":"current","definitions":[{"id":1,"text":"An arrangement in which ions with a desired range of quotients mass\/charge are first made to describe stable paths under the effect of a high-frequency electric quadrupole field, and are then separated and presented to a detector by adjusting the field so as to selectivity induce path instability according to their respective mass\/charge ratios.","links":[{"term":"selectivity","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/S05563"},{"term":"stable","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/S05900"}],"sources":["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)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/I03249\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/I03249\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/I03249\/plain"},"citation":"Citation: 'ion trap mass spectrometer' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351\/goldbook.I03249","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2026-07-24T17:07:55+00:00"}}