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ASTM D4715-98(2017)

Historical Reaffirmation

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

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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 test method are higher than those obtained by Test Method D2416. See the bias statement in Section 13.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


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

SDO ASTM: ASTM International
Document Number D4715
Publication Date Oct. 1, 2017
Language en - English
Page Count 3
Revision Level 98(2017)
Supercedes
Committee D02.05
Publish Date Document Id Type View
Dec. 10, 1998 D4715-98 Revision
July 1, 2022 D4715-98R22E01 Reaffirmation
Oct. 1, 2017 D4715-98R17 Reaffirmation
Nov. 1, 2012 D4715-98R12 Reaffirmation
Dec. 1, 2008 D4715-98R08E01 Reaffirmation
Nov. 1, 2003 D4715-98R03 Reaffirmation