Abstract：In the present paper, Fourier transform infrared aerosol flow tube (FTIR/AFT) and Fourier transform infrared attenuated total reflection ( FTIR/ATR) were used as credible technologies to study the cigarette mainstream smoke and cigarette aerosol. In the experiment a convenient and effective setup was used to detect the sample. Before the cigarette was fired, the filter tip should be cut. Then the cigarette was connected with the sample chamber by a gluey tube. The mainstream cigarette smoke was imported by a vacuum pump. The technology of FTIR/AFT could get the information of the whole cigarette smoke including the chief gas phase and fine solid particles. A main peak at 1 230 cm-1, contributed by the C—O stretching band, indicated the existence of hydroxybenzene. A acuate peak at 1 735 cm-1 was contributed by the CO stretching band of carboxyl acide. In addition, the strong peak of CO and CO2 gas can be resolved. Two relative strong peaks at 2 118 and 2 170 cm-1, respectively were contributed by CO gas. As to the gas CO2, two strong peaks were observed at 2 343 and 2 362 cm-1, respectively. While by taking the advantage of FTIR/ATR, we could obtain the information of cigarette aerosols deposit on the ZnSe substrate. The spectra of aerosol was correspondingly simple. The peak of CO disappeared and the peak intensity of CO2 decreased greatly. Therefore, using the AFT and ATR techniques could help to understand the formation and the composition of the production of the burning cigarette more clearly. Especially, by analyzing the change of some characteristic bands with time, the processes of the chemical reaction, volatility of some components and theform conglomeration of cigarette combustion were investigated. This has offered a new viewpoint in cigarette study that is different from conventional ideas, and is simple and rapid without pretreatment.
Key words：Cigarette smoke;FTIR;Aerosol flow tube;Attenuated total reflection
张晶,王良玉*,张韫宏. FTIR技术应用于香烟烟气的分析[J]. 光谱学与光谱分析, 2008, 28(04): 821-824.
ZHANG Jing,WANG Liang-yu*,ZHANG Yun-hong. The Application of FTIR Spectroscopy to the Analysis of Cigarette Smoke. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2008, 28(04): 821-824.
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