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| Comparison of Thermal and Non-Thermal Protocols for Analysis of Isoprene Secondary Organic Aerosol (SOA) Generated under Conditions of Low Nitrogen Oxides (NOx) | |
| 项目编号 | 2001027 |
| Avram Gold (Principal Investigator) | |
| 项目主持机构 | University of North Carolina at Chapel Hill |
| 开始日期 | 2020-02-15 |
| 结束日期 | 2023-01-31 |
| 英文摘要 | This project is focused on laboratory studies of the formation of secondary organic aerosol (SOA) in the atmosphere derived from the presence of isoprene. Isoprene is a compound produced and emitted by many species of trees and other plant materials. Experiments will be conducted in a laboratory chamber to investigate the formation of SOA and assess the possible presence of artifacts related to the use of certain experimental methods. This study includes an in-depth, quantitative, molecular-level investigation of isoprene-SOA composition and aging. The objectives of the research are to: (1) synthesize standards to investigate artifact formation and to identify labile components degraded during conventional thermal GC-ESI/MS analysis of isoprene SOA formed under low-nitrogen oxide (NOx) conditions; (2) optimize hydrophilic interaction liquid chromatography (HILIC) protocols for separation of synthetic targets and SOA extracts; and (3) conduct an analysis of the SOA particles and identification of analytical artifacts/decomposition products by comparison of results from HILIC and GC/EI-MS protocols. This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria. |
| 学科分类 | 08 - 地球科学;0805 - 大气科学 |
| 资助机构 | US-NSF |
| 项目经费 | 596470 |
| 项目类型 | Standard Grant |
| 国家 | US |
| 语种 | 英语 |
| 文献类型 | 项目 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/191296 |
| 推荐引用方式 GB/T 7714 | Avram Gold .Comparison of Thermal and Non-Thermal Protocols for Analysis of Isoprene Secondary Organic Aerosol (SOA) Generated under Conditions of Low Nitrogen Oxides (NOx).2020. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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