Determination of Polycyclic Aromatic Hydrocarbons in Cigarettes and Cigarette Smoke

H. Shimazu
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引用次数: 6

Abstract

The present study examines the concentrations of polycyclic aromatic hydrocarbons (PAHs) in cigarettes and sidestream cigarette smoke. Nine PAHs were determined in sidestream cigarette smokes for five types of cigarettes. The volume of the experimental room is approximately 66 m 3 . The air samples in the room were collected before and after smoking. The total PAH concentrations were approximately 1.0 ng/m 3 before smoking, but the median concentration and the range of PAHs were 29.1 ng/m 3 and from 7.62 to 57.6 ng/m 3 after smoking. The relationship between suspended particulate matter (SPM) and total PAHs after smoking is significant and proportional. This may indicate that the SPM formation is associated with PAH formation during smoking. Furthermore, nine PAHs were determined in the cigarettes. Median PAH contents in the five brands of cigarettes ranged from 221 to 936 ng per cigarette before smoking and from 66.9 to 266 ng per cigarette after smoking. Mean PAH emissions from cigarettes while smoking ranged from 257 to 1490 ng per cigarette. The results show that PAHs in the cigarettes, and those generated during smoking, were emitted into the air.
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卷烟和烟气中多环芳烃的测定
本研究检测了香烟和侧流香烟烟雾中多环芳烃(PAHs)的浓度。在5种卷烟的侧流烟气中检测出9种多环芳烃。实验房间的体积约为66平方米。吸烟前后分别采集了室内空气样本。吸烟前多环芳烃总浓度约为1.0 ng/m 3,吸烟后多环芳烃中位浓度为29.1 ng/m 3,吸烟后多环芳烃中位浓度范围为7.62 ~ 57.6 ng/m 3。吸烟后空气中悬浮颗粒物(SPM)与总多环芳烃(PAHs)呈显著正比关系。这可能表明吸烟期间SPM的形成与多环芳烃的形成有关。此外,在卷烟中检测到9种多环芳烃。五种品牌香烟的多环芳烃含量中位数在吸烟前为每支221至936纳克,吸烟后为每支66.9至266纳克。吸烟时香烟的多环芳烃平均排放量为每根香烟257至1490纳克。结果表明,香烟中的多环芳烃以及吸烟过程中产生的多环芳烃被排放到空气中。
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