Standard Historical Last Updated: May 20, 2015 Track Document
ASTM D2416-84(2009)

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

Standard Test Method for Coking Value of Tar and Pitch (Modified Conradson) D2416-84R09 ASTM|D2416-84R09|en-US Standard Test Method for Coking Value of Tar and Pitch (Modified Conradson) Standard new BOS Vol. 05.01 Committee D02
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Significance and 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

Scope

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 test 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.

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Details
Book of Standards Volume: 05.01
Developed by Subcommittee: D02.05
Pages: 3
DOI: 10.1520/D2416-84R09
ICS Code: 91.100.50