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ASTM D7771-17

Historical Revision

Standard Test Method for Determination of Benzo-α-Pyrene (BaP) Content in Carbon Black (Withdrawn 2024)

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1.1 This test method covers the qualitative and quantitative determination of only benzo-α-pyrene (BaP), a specific polycyclic aromatic hydrocarbon (PAH), on carbon black. The procedure involves Soxhlet extraction with toluene and analysis by gas chromatography with mass spectrometry (GC/MS). This method is not intended to test for U.S. Food and Drug Administration (FDA 21 CFR 178.3297) compliance of carbon blacks used for indirect food contact applications.

1.2 Units—The values stated in SI units are to be regarded as the 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 and health practices and determine the applicability of regulatory limitations prior to use.


5.1 This test procedure is used to determine the concentration of BaP extracted from carbon black by the means of a Soxhlet extraction apparatus with toluene.

SDO ASTM: ASTM International
Document Number D7771
Publication Date Jan. 1, 2017
Language en - English
Page Count 10
Revision Level 17
Supercedes
Committee D24.66
Publish Date Document Id Type View
June 1, 2022 D7771-17AR22 Revision
Oct. 1, 2017 D7771-17A Revision
Jan. 1, 2017 D7771-17 Revision
Jan. 1, 2015 D7771-15 Revision
Nov. 1, 2013 D7771-13 Revision
Nov. 1, 2011 D7771-11 Revision