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ASTM D2416-84(2004)

Historical Reaffirmation

Standard Test Method for Coking Value of Tar and Pitch (Modified Conradson)

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1.1 This test method covers the determination of the coking value of tar and pitch having an ash content not over 0.5% as determined by Test Method D2415.

1.2 Coking values by this method are practically the same as those obtained by Test Method D189, but results are more reproducible. The apparatus used is identical, except that an electric furnace is substituted for the gas flame.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


This test method is useful for indicating the relative coke-forming propensities and for evaluating and characterizing tars and pitches. This test method can also be used as one element in establishing the uniformity of shipments or sources of supply.


FIG. 1 Apparatus for Determining Carbon Residue

SDO ASTM: ASTM International
Document Number D2416
Publication Date Nov. 1, 2004
Language en - English
Page Count 3
Revision Level 84(2004)
Supercedes
Committee D02.05
Publish Date Document Id Type View
June 1, 2020 D2416-20 Revision
April 1, 2015 D2416-84R15E01 Reaffirmation
Oct. 1, 2009 D2416-84R09 Reaffirmation
Nov. 1, 2004 D2416-84R04 Reaffirmation
Dec. 10, 1999 D2416-84R99 Reaffirmation