03716 IUPAC Gold Book - mass-distribution function 10.1351/goldbook.M03716 M03716 current synonym: weight-distribution function 1 A distribution function in which the relative amount of a portion of a substance with a specific value, or a weight distribution range of values, of the random variable(s) is expressed in terms of mass fraction. mass fraction https://goldbook.iupac.org//terms/view/M03722 variable https://goldbook.iupac.org//terms/view/V06600 weight https://goldbook.iupac.org//terms/view/W06668 Purple Book, 1st ed., p. 56 (http://old.iupac.org/publications/books/author/metanomski.html) https://goldbook.iupac.org/terms/view/M03716/html https://goldbook.iupac.org/terms/view/M03716/json https://goldbook.iupac.org/terms/view/M03716/plain Citation: 'mass-distribution function' 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.M03716 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. 2026-05-18T02:52:32+00:00