Standard Historical Last Updated: Nov 08, 2017
ASTM D4715-98(2012)

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

Significance and Use

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.

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

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Details
Book of Standards Volume: 05.02
Developed by Subcommittee: D02.05
Pages: 3
DOI: 10.1520/D4715-98R12
ICS Code: 75.140