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ASTM D1618-23

Current Revision

Standard Test Method for Carbon Black Extractables—Transmittance of Toluene Extract

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1.1 This test method covers the measurement of the degree of toluene discoloration by carbon black extractables and is useful in controlling the reaction processes for production of carbon black. This test method may not be applicable to carbon blacks with high extractables.

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

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

1.4 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 The toluene discoloration value provides an estimate of toluene-soluble discoloring residues present on the carbon black.

SDO ASTM: ASTM International
Document Number D1618
Publication Date Nov. 1, 2023
Language en - English
Page Count 4
Revision Level 23
Supercedes
Committee D24.31
Publish Date Document Id Type View
Nov. 1, 2023 D1618-23 Revision
June 1, 2018 D1618-18 Revision
Aug. 1, 2017 D1618-17 Revision
July 10, 1999 D1618-99 Revision
May 1, 2011 D1618-99R11 Reaffirmation
July 1, 2004 D1618-99R04 Reaffirmation