calcined coke 

https://doi.org/10.1351/goldbook.C00774
A petroleum coke or coal-derived pitch coke obtained by heat treatment of green coke to about 1600 K. It will normally have a hydrogen content of less than 0.1 wt.%.
Note:
Calcined coke is the main raw material for the manufacture of polygranular carbon and polygranular graphite products (e.g. carbon and graphite electrodes).
Source:
PAC, 1995, 67, 473. (Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)) on page 479 [Terms] [Paper]
Citation: 'calcined coke' 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.C00774 RIS BibTex EndNote
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Last revised: February 24, 2014