Title: puffing inhibitor
Long Title: IUPAC Gold Book - puffing inhibitor
DOI: 10.1351/goldbook.P04942
Status: current

Definition
Metals or metal compounds with a high chemical affinity for the heteroatoms in the carbons. They are distributed as fine particles within the carbon materials to be graphitized.

Note
Iron and iron compounds are most frequently used as puffing inhibitors when puffing is related to sulfur.

Related Terms
- carbon materials: https://goldbook.iupac.org//terms/view/C00841
- puffing: https://goldbook.iupac.org//terms/view/P04941

Source
- PAC, 1995, 67, 473. 'Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)' on page 502 (https://doi.org/10.1351/pac199567030473)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/P04942/html
- json: https://goldbook.iupac.org/terms/view/P04942/json
- xml: https://goldbook.iupac.org/terms/view/P04942/xml

Citation: Citation: 'puffing inhibitor' 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.P04942
License: 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.
Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .
Disclaimer: 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.
Accessed: 2026-04-19T04:10:52+00:00