12565 IUPAC Gold Book - secondary neutral mass spectrometry 10.1351/goldbook.12565 12565 current initialism: SNMS 1 Mass spectrometry technique in which neutral species ejected from a sample surface as a result of bombardment by a primary beam of atoms or ions are ionized, most often by photoionization, prior to analysis. PAC, 2013, 85, 1515. 'Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)' on page 1589 (https://doi.org/10.1351/PAC-REC-06-04-06) https://goldbook.iupac.org/terms/view/12565/html https://goldbook.iupac.org/terms/view/12565/json https://goldbook.iupac.org/terms/view/12565/plain Citation: 'secondary neutral mass spectrometry' 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.12565 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. 2026-06-27T19:06:54+00:00