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液相色谱-串联质谱技术测定卷烟烟气中烟草特有亚硝胺

Modern Scientific Instruments(2006)

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Abstract
在标准吸烟条件下采用剑桥滤片收集卷烟主流烟气粒相物,用柠檬酸-磷酸盐缓冲液与环己烷共提取粒相物,用固相萃取进一步纯化,电喷雾正离子多反应监测方式,建立了同时测定卷烟主流烟气中4种烟草特有亚硝胺的液相色谱-串联质谱联用技术。进样量20μL时,方法检出限为0.05~0.24ng/mL,线性范围均在2.5~1000ng/mL以上,线性相关系数≥0.998,回收率为90.2%~95.1%。用该方法评价了10种国内外有代表性的卷烟品牌主流烟气中4种TSNAs组分的含量,结果令人满意。
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Key words
cigarette smoke,tobacco-specific nitrosamines,tandem mass spectrometry,Liquid chromatography
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