Значение и использование
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.
1.1 Thistest method covers the qualitative and quantitative determinationof only benzo-α-pyrene (BaP), a specific polycyclic aromatichydrocarbon (PAH), on carbon black. The procedure involves Soxhletextraction with toluene and analysis by gas chromatography withmass spectrometry (GC/MS). This method is not intended to test forU.S. Food and Drug Administration (FDA 21 CFR 178.3297) complianceof carbon blacks used for indirect food contact applications.
1.2Units—The values stated in SIunits are to be regarded as the standard. No other units ofmeasurement are included in this standard.
1.3This standard does not purport to address all of the safetyconcerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety,health, and environmental practices and determine the applicabilityof regulatory limitations prior to use.
1.4This international standard was developed in accordance withinternationally recognized principles on standardizationestablished in the Decision on Principles for the Development ofInternational Standards, Guides and Recommendations issued by theWorld Trade Organization Technical Barriers to Trade (TBT)Committee.