Term: number-distribution function
https://doi.org/10.1351/goldbook.N04263

Definition:
A distribution function in which the relative amount of a portion of a substance with a specific value, or a range of values, of the random variable(s) is expressed in terms of mole fraction.

Related Terms:
1) variable (http://doi.org/10.1351/goldbook.V06600).
2) mole fraction (http://doi.org/10.1351/goldbook.A00296).

Source: Purple Book, 1st ed., p. 56 (http://old.iupac.org/publications/books/author/metanomski.html)

Citation: 'number-distribution function' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.N04263

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