03710 IUPAC Gold Book - mass analysis 10.1351/goldbook.M03710 M03710 current 1 A process by which a mixture of ionic or neutral species is identified according to the mass-to-charge (\(\frac{m}{z}\)) ratios (ions) or their aggregate atomic masses (neutrals). The analysis may be qualitative and/or quantitative. 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) https://goldbook.iupac.org/terms/view/M03710/html https://goldbook.iupac.org/terms/view/M03710/json https://goldbook.iupac.org/terms/view/M03710/plain Citation: 'mass analysis' 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.M03710 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. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . 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. 2026-04-19T05:22:04+00:00