ASTM D 7771 - 17 Standard Test Method for Determination of Benzo-α-Pyrene (BaP) Content in Carbon Black

Current edition approved Jan. 1, 2017. Published January 2017. Originally approved in 2011. Last previous edition approved in 2015 as D7771 – 15. — 10 p.
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.