卷烟主流烟气用剑桥滤片捕集粒相物质、用冷阱-溶剂法吸收气相物质,滤片上的粒相物质用甲醇提取。所得吸收液和萃取液分别经DB-WAX毛细管柱分离后,用质谱测定。结果表明:① 气相物质中鉴定出75种化合物,粒相物质中鉴定出60种化合物;② 气相物质和粒相物质共有组分17种;③ 大部分烃类化合物存在于气相物质中,少部分存在于粒相物质中;④ 粒相物质中检出5种酚类物质,但气相物质中没有检出相关物质;⑤ 鉴定出21种苯系物,它们在气相物质和粒相物质中均有分布,且主要分布在气相物质中。

The particulate matters in mainstream smoke of cigarettes were trapped by Cambridge filter, and the gaseous mathers were absorbed by cold trap-solvent method. The particulate matters on the filter were extracted with methanol. The components in the absorbent and extract were separated individually on DB-WAX and determined by MS. It was found that: ① 75 components in gaseous matters and 60 components in particulate matter were identified; ② 17 compounds were found in both the phases of mainstream cigarette smoke; ③ most of the hydrocarbons were in the gaseous matters, with only a few in the particulate matters; ④ 5 phenols were found in gaseous matters only; ⑤ 21 benzenes were identified, which were found mainly in gaseous matters.