| 研究生: |
鄭智元 Zh-Yuan Zhen |
|---|---|
| 論文名稱: |
大氣降水中多環芳香烴的定量分析 |
| 指導教授: |
林能暉
Neng-Huei Lin |
| 口試委員: | |
| 學位類別: |
碩士 Master |
| 系所名稱: |
理學院 - 化學學系 Department of Chemistry |
| 畢業學年度: | 89 |
| 語文別: | 中文 |
| 論文頁數: | 123 |
| 中文關鍵詞: | 多環芳香烴 、氣相層析質譜儀 、離子層析儀 、固相萃取法 |
| 外文關鍵詞: | PAHs, GC/MS, IC, SPE |
| 相關次數: | 點閱:18 下載:0 |
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Hydrocarbons (PAHs) in precipitation (cloud water and rain water). Rainwater was collected in Taipei Basin in 12/13/2000 and the cloud water was sampled at Mt. Bamboo from 01/09/20001 to 02/25/2001. After filtration, the sample of fixed 1000ml was extracted using Solid phase extraction, and then concentrated for PAHs analysis by GC/MS. The recovery rate is between 70% and 90%. In addition, Supersonic extraction was applied for particles. The recovery was also between 70% and 90%. It was found that PAH concentrations and components were associated with weather patterns and the origins of air mass .For rainwater, the dominant PAH in liquid phase is Naphthalene, and it can reach as high as 230ng/l, whereas for particle phase, the dominant PAH is also Naphthalene, having the highest concentration of 774 μg/g. In total, it can reach 504 ng/L. For cloud water, the dominant PAH was Naphthalene and Pyrene for liquid and particle phases, and they can reach 135 ng/L and 935 μg/g, respectively. The total PAHs concentration can reached 4599 ng/L. Most PAHs of cloud water were found to particle phase, while in liquid phase for rainwater.
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