1.1本试验方法仅包括苯的定性和定量测定- α -芘（BaP），一种特殊的多环芳烃（PAH），位于炭黑上。该程序涉及甲苯索氏萃取和气相色谱-质谱（GC/MS）分析。本方法不用于测试美国食品和药物管理局（FDA）对用于间接食品接触应用的炭黑的合规性。 1.2 单位 — 以国际单位制表示的数值应视为标准。本标准不包括其他计量单位。 1.3 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。 ====意义和用途====== 本试验程序用于通过带有甲苯的索氏萃取装置测定从炭黑中萃取的BaP的浓度。

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) 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. ====== Significance And Use ====== 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.