- 期刊
Determination of Markers of Particulate Matter in Environmental Tobacco Smoke
分析空氣中二手菸粒狀物指標之濃度
摘要
背景／目的 本研就之目的在建立二手菸中粒狀物指標之方法，並測定在公共場所內二手菸之濃度。 方法 分析步驟係參考Ogden (1996)之方法，針對二手菸中三種粒狀物之指標物質以高效率液相層析儀(HPLC-photodial)進行分析。再選擇台中市常見之公共場所（包括pubs、辦公大樓、網咖及舞廳），以PTFE濾紙採集三種代理粒狀物及XAD-4採集管氣態尼古丁進行環境採樣。 結果 分析三種粒狀污染物之指標均有良好回收率及再現性，其中分析UVPM、FPH及SolPM之偵測極限爲6.9、53.3多11.6 ng。在公共場所中以pubs之尼古丁(26.7μg/立方公尺)及UVPM濃度(12.46μg/立方公尺)最高，非吸菸辦公大樓最低，分別爲1.99及0.10μg/立方公尺。然而，三種粒狀物質指標及氣狀尼古丁濃度在各公共場所之濃度有很大的變異性，其中只有pubs可偵測到SolPM(9.64μg/立方公尺)，但在其他公共場所卻無法測到此物質。 結論 本研究方法可得到良好線性及再現性，亦可作爲簡單、快速及同時分析三種二手菸粒狀物之指標（UVPM、FPM及SolPM）方法，可當作國內測定公共場所暴露二手菸粒狀物質濃度方法之參考。
並列摘要
Background/Purpose. To establish a suitable analytical method for measuring surrogate markers of particulate matter in environmental tobacco smoke (ETS) in different public areas. Methods. The analytical procedures used in this study were based on those described by Ogden (1996). In brief, the optimum absorbance wavelengths of three particulate markers (UVPM, FPM and SolPM) were determined using an HPLC-photodiol detector. Air samples were taken from several public areas (pubs, offices, Internet cafes, and nightclubs) using PTFE filters joined to XAD-4 adsorbent. The concentrations of each particulate marker and the concentration of nicotine in the air samples were then measured. Results. The results showed that there was good recovery and reproducibility in determination of each of the three particulate markers in ETS. The detection limits for the three markers were 6.9 ng for UVPM, 53.3 ng for FPM and 11.6 ng for SolPM. The highest levels of nicotine (26.7 µg/m^3) and UVPM (12.46 µg/m^3) were in pubs, and the lowest levels of nicotine and UVPM were in nonsmoking offices (1.99 µg/m^3 and 0.10 µg/m^3, respectively). There was a high fluctuation in the levels of the three particulates and in the level of nicotine within and between the different public areas. SolPM was only detected in pubs (9.64 µg/m^3) but was not detected in other public areas. Conclusion. There was good linear correlation and reproducibility in determination for the three particulate markers in ETS. The analytical method used in this study was simple, quick and effective for simultaneously measuring UVPM, FPM and SolPM in ETS.