SN/T 5308-2021 食品级润滑油中苯、甲苯、氯苯、对二甲苯和邻二甲苯的测定 顶空气相色谱—质谱联用法

　　本文件规定了食品级润滑油中苯、甲苯、氯苯、对二甲苯和邻二甲苯的顶空进样 - 气相色谱 -质谱测定方法。

　　本文件适用于食品级润滑油中含量不低于 0.1 mg/kg 的苯、甲苯、氯苯、对二甲苯和邻二甲苯的测定。

　　色谱柱:VOCOL 色谱柱，毛细管柱 60 m×0.32 mm ×1.8 μm。

　　浩瀚色谱建立了顶空进样-气相色谱-质谱联用法(HS-GC/MS)同时测定食品级润滑油中苯、甲苯、氯苯、对二甲苯、邻二甲苯、α-甲基苯乙烯含量的分析方法。

　　SN/T 5308-2021 Determination of benzene, toluene, chlorobenzene, p-xylene, and o-xylene in food grade lubricating oils by headspace gas chromatography-mass spectrometry

　　This document specifies the headspace injection gas chromatography-mass spectrometry method for the determination of benzene, toluene, chlorobenzene, p-xylene, and o-xylene in food grade lubricating oils.

　　This document is applicable to the determination of benzene, toluene, chlorobenzene, p-xylene, and o-xylene in food grade lubricants with a content not less than 0.1 mg/kg.

　　Chromatographic column: VOCOL chromatographic column, capillary column 60 m x 0.32 mm x 1.8 μ M.

　　Haohan Chromatography has established a headspace injection gas chromatography-mass spectrometry (HS-GC/MS) method for the simultaneous determination of benzene, toluene, chlorobenzene, p-xylene, o-xylene, and p-xylene in food grade lubricating oils α- Analysis method for methylstyrene content.