carbon residue

carbon residue

[′kär·bən ′rez·ə‚dü]
(chemical engineering)
The quantity of carbon produced from a lubricating oil heated in a closed container under standard conditions.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
From 743 K to 823 K, oxidation of carbon residue proceeds, and this was inferred as C[O.sub.2] was detected during this period.
[6.] Sanford, E.C., `Conradson Carbon Residue Conversion during Hydrocracking of Athabasca Bitumen: Catalyst Mechanism and Deactivation', Energy Fuels, 9:549-559 (1995).
In the May 5 [N.sub.ATURE], Filippo Radicati di Brozolo, a apace scientist at Charles Evans and Associates in Redwood City, Calif., and his colleagues describe finding fullerenes among carbon residue in a tiny impact crater on NASA's Long-Duration Exposure Facility after that spacecraft's return to Earth.
Lustrous carbon residue must be burned off before the crucible is used for the next test.
The cleaner removes all lubricants and carbon residue. I let my cases air-dry overnight and they began to tarnish.
The industrial analysis of shale ash has given the following data, %: moisture--0.37; ash (dry basis)--98.54; volatile matter (dry basis)--1.09; carbon residue (dry basis)--0.32.
While the researchers found an unusually large amount of carbon residue in their samples, they also measured a surprisingly minuscule amount of noble gases.