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semicoke

A carbonaceous material intermediate between a fusible mesophase pitch and a non-deformable green coke produced by incomplete carbonization at temperatures between the onset of fusion (of coal, ca. 620 K), and complete devolatilization. Semicoke still contains volatile matter, therefore.
Note:
Semicoke may be conceived as covering a continuous range from coal that has not yet been fused to coke breeze. Semicoke can also be used as a filler in carbon mixtures.
See also: coal tar pitch
Source:
PAC, 1995, 67, 473 (Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)) on page 504
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IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. doi:10.1351/goldbook.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term: doi:10.1351/goldbook.S05590.
Original PDF version: http://www.iupac.org/goldbook/S05590.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
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