Title: primary crystallization
Long Title: IUPAC Gold Book - primary crystallization
DOI: 10.1351/goldbook.P04827
Status: current

Definition
The first stage of crystallization, considered to be ended when most of the spherulite surfaces impinge on each other. In isothermal crystallization, primary crystallization is often described by the Avrami equation.

Related Terms
- Avrami equation: https://goldbook.iupac.org//terms/view/A00545
- crystallization: https://goldbook.iupac.org//terms/view/C01434
- spherulite: https://goldbook.iupac.org//terms/view/S05859

Source
- Purple Book, 1st ed., p. 85 (http://old.iupac.org/publications/books/author/metanomski.html)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/P04827/html
- json: https://goldbook.iupac.org/terms/view/P04827/json
- xml: https://goldbook.iupac.org/terms/view/P04827/xml

Citation: Citation: 'primary crystallization' 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.P04827
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Accessed: 2026-05-18T03:33:50+00:00