采用离子分子质谱IMR-MS(ion molecule reaction mass spectrometry)与转盘式吸烟机RM20H相连的方法,对卷烟主流烟气中气相成分建立了在线、实时、高效的逐口定量检测方法。该方法日内重复性、日间重复性结果显示除最后一口由于抽吸烟...采用离子分子质谱IMR-MS(ion molecule reaction mass spectrometry)与转盘式吸烟机RM20H相连的方法,对卷烟主流烟气中气相成分建立了在线、实时、高效的逐口定量检测方法。该方法日内重复性、日间重复性结果显示除最后一口由于抽吸烟气量不同,RSD较大外,其他抽吸口数RSD均小于15%。用该方法测定标准卷烟2R4F、3R4F和1R5F,并将结果与文献经典方法进行比较,数据显示本方法定量结果准确。展开更多
A method of combining laser ablation and molecular flow was used to study the reaction of metal ions with organic molecules in the gas phase. The reactive products of nickel ion with n-alkanes were observed by the tim...A method of combining laser ablation and molecular flow was used to study the reaction of metal ions with organic molecules in the gas phase. The reactive products of nickel ion with n-alkanes were observed by the time of flight mass spectrometer.展开更多
文摘采用离子分子质谱IMR-MS(ion molecule reaction mass spectrometry)与转盘式吸烟机RM20H相连的方法,对卷烟主流烟气中气相成分建立了在线、实时、高效的逐口定量检测方法。该方法日内重复性、日间重复性结果显示除最后一口由于抽吸烟气量不同,RSD较大外,其他抽吸口数RSD均小于15%。用该方法测定标准卷烟2R4F、3R4F和1R5F,并将结果与文献经典方法进行比较,数据显示本方法定量结果准确。
文摘A method of combining laser ablation and molecular flow was used to study the reaction of metal ions with organic molecules in the gas phase. The reactive products of nickel ion with n-alkanes were observed by the time of flight mass spectrometer.
