Transcription of Standard Test Method for Conradson Carbon …
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Standard Test Method for Conradson Carbon …
Designation: D 189 06 2 Designation: 13/94An American National StandardBritish Standard 4380 Standard Test Method forConradson Carbon Residue of Petroleum Products1 This Standard is issued under the fixed designation D 189; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon ( ) indicates an editorial change since the last revision or Standard has been approved for use by agencies of the Department of Defense. 1 NOTE Removed asbestos reinstated original research report footnote editorially in October 2007. 2 NOTE Updated Summary of Changes and added to research report footnote editorially in December Scope* This test Method covers the determination of the amountof Carbon residue (Note 1) left after evaporation and pyrolysisof an oil, and is intended to provide some indication of relativecoke-forming propensities.
3.1.1 carbon residue, n—the residue formed by evaporation and thermal degradation of a carbon containing material. 3.1.2 Discussion—The residue is not composed entirely of carbon but is a coke that can be further changed by carbon pyrolysis. The term carbon residue is retained in deference to
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