puffing inhibitor

https://doi.org/10.1351/goldbook.P04942
Metals or metal compounds with a high chemical affinity for the heteroatoms in the carbons. They are distributed as fine particles within the @[email protected] to be graphitized.
Note:
Iron and iron compounds are most frequently used as @[email protected] inhibitors when @[email protected] is related to sulfur.
Source:
PAC, 1995, 67, 473. (Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)) on page 502 [Terms] [Paper]