1.1 本试验方法涵盖炭黑上多环芳烃（PAH）EU-8清单的定性和定量测定。EU-8多环芳烃化合物列表如所示 表1 . 该程序涉及甲苯索氏萃取，然后使用气相色谱-质谱（GC/MS）进行萃取分析。本方法不用于测试美国食品和药物管理局（FDA 21 CFR 178.3297）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、健康和环境实践，并确定监管限制的适用性。 1.4 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 5.1 本试验程序用于测定通过甲苯索氏萃取装置从炭黑中萃取的EU-8清单中多环芳烃化合物的单个浓度。

1.1 This test method covers the qualitative and quantitative determination of the EU-8 list of polycyclic aromatic hydrocarbons (PAH) on carbon black. The EU-8 list of PAH compounds is given in Table 1 . The procedure involves Soxhlet extraction with toluene followed by extract analysis using 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, 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. ====== Significance And Use ====== 5.1 This test procedure is used to determine the individual concentrations of the PAH compounds in the EU-8 list extracted from carbon black by the means of a Soxhlet extraction apparatus with toluene.